The 2023 Peterbilt 337 is a medium-duty conventional truck known for its versatility and durability. Introduced to cater to a broad range of vocational applications, it consistently offers robust performance. Its primary body style is a truck chassis, designed for upfitting with various bodies like dump trucks, box trucks, and service vehicles. While specific model years are continuous, the 337 has been a staple for many years. Key trims often revolve around engine and chassis configurations. Pricing typically ranges from approximately $90,000 to $150,000, depending on specifications. It stands out due to Peterbilt's reputation for quality construction, driver comfort, and a strong dealer network, making it a popular choice for businesses prioritizing longevity and operational efficiency.
The Good
The 2023 Peterbilt 337 excels with its potent performance, legendary reliability, and driver-centric comfort, appealing to those who value dependability and a productive work environment. Its robust design and efficient operation translate into strong long-term value.
The Bad
While generally robust, potential buyers should watch out for the weight of certain configurations impacting payload capacity. Advanced technology integration, while improving, might not be as cutting-edge as some newer competitors. Routine maintenance is crucial to mitigate any potential long-term wear.
2023 Peterbilt 337: Quick Overview
- Engine Options: The 2023 Peterbilt 337 is typically powered by PACCAR PX-7 and PX-9 engines. The PACCAR PX-7 is a robust 6.7-liter inline-6 diesel engine. The PACCAR PX-9 is a larger and more powerful 8.9-liter inline-6 diesel engine. These engines are designed for heavy-duty applications and provide excellent torque for hauling and towing.
- Horsepower: Horsepower ratings vary depending on the selected engine. The PACCAR PX-7 typically ranges from approximately 220 to 325 horsepower. The PACCAR PX-9 offers higher output, generally ranging from around 260 to 350 horsepower. Specific tuning and configuration can influence these figures.
- Fuel Economy: Precise EPA-rated fuel economy figures for commercial trucks like the Peterbilt 337 are not typically published in the same way as for light-duty vehicles. Fuel efficiency is highly dependent on factors such as engine choice, transmission, axle ratios, load weight, driving conditions, and driver behavior. However, Peterbilt engines are engineered for efficiency within their class, with modern emissions controls contributing to optimized fuel consumption.
- 0-60 Times: 0-60 mph acceleration times are generally not a primary performance metric for heavy-duty vocational trucks like the 2023 Peterbilt 337. These vehicles are designed for sustained work and hauling capacity rather than rapid acceleration. Performance is measured by torque, hauling capabilities, and ability to maintain speed under load.
- Towing Capacity: The towing capacity of the 2023 Peterbilt 337 is substantial and is determined by its Gross Vehicle Weight Rating (GVWR), Gross Combination Weight Rating (GCWR), chassis configuration, and specific build. Depending on the setup, these trucks can be configured to tow significant weight, often exceeding 30,000 pounds or more, making them suitable for heavy trailers and equipment hauling.
- Trim-Level Features: While Peterbilt 337 doesn't have traditional "trims" in the passenger car sense, configurations are based on vocational needs and options. Key features include: Chassis configurations (e.g., straight truck, tractor), various axle ratios, transmission options (e.g., Allison automatic transmissions are common), air brake systems, power steering, available air conditioning, power windows and locks (on higher spec models), comfortable seating with adjustable positions, and a driver-focused dashboard designed for easy access to controls and information. Optional features can include advanced telematics, specialized body mounts, and premium interior amenities for enhanced driver comfort on longer routes.
2023 Peterbilt 337 Specifications
Vehicle Information
| Year | 2023 |
| Make | Peterbilt |
| Model | 337 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Heavy Truck |
Manufacturing Details
| Made In | Canada |
| Manufacturing City | MONTREAL |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 33000 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 6.7L I6 |
| Engine Size | 6.7L |
| Engine Cylinders | 8 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
Vehicle History Report
Vehicle
Specifications
Specifications
Ownership
History
History
All History
Events
Events
NMVTIS Title
History Check
History Check
Salvage/Rebuilt
Check
Check
Accident
Check
Check
Theft
Check
Check
Open Lien
Check
Check
Past Sale
Listings
Listings
Safety
Recalls
Recalls
Odometer
Check
Check
Market Price
Analysis
Analysis
What Problems Does the 2023 Peterbilt 337 Have?
The 2023 Peterbilt 337, like most heavy-duty vehicles, is built for longevity and operational resilience, and as a relatively new model year, widespread, frequently reported problems are less common compared to older, more established models. However, as with any commercial vehicle, certain areas can be points of attention.
One area that can sometimes require attention in medium-duty trucks, including the 337, relates to the emissions control systems (e.g., Diesel Particulate Filters - DPF, Selective Catalytic Reduction - SCR). These systems, while essential for meeting environmental regulations, can sometimes become clogged or require specific maintenance procedures. Neglecting these can lead to reduced performance and potential costly repairs. For the 2023 model year specifically, while no major systemic issues are widely publicized, owners should be vigilant about following the manufacturer's recommended regeneration cycles and maintenance schedules for these components.
Another aspect to consider for any heavy-duty truck is the durability of auxiliary systems. Electrical components, such as sensors, wiring harnesses, and control modules, are subject to vibration, heat, and moisture over time. While Peterbilt employs robust engineering, these are complex systems, and occasional failures can occur, particularly with aftermarket installations or modifications. Drivers and fleet managers should pay attention to dashboard warning lights or unusual system behavior.
Recalls are a standard part of automotive and commercial vehicle manufacturing, and the 2023 Peterbilt 337 is subject to them. These are typically addressed proactively by the manufacturer. Common recall areas for heavy trucks can involve braking system components, steering column issues, or software updates for engine control units. It is crucial for owners to regularly check for any open recalls through Peterbilt's official channels or a dealer and to have them addressed promptly to ensure safety and maintain warranty coverage. Specific recalls for the 2023 model year would be detailed by PACCAR and Peterbilt on an as-needed basis.
Long-term reliability is generally a strong suit for Peterbilt, and the 337 is no exception. The reputation is built on robust chassis, reliable PACCAR engines, and durable drivetrains. However, like all vehicles, components will eventually wear out with extensive use. Regular, preventative maintenance is the most critical factor in ensuring long-term reliability. This includes timely oil changes, filter replacements, brake inspections, and checking all fluid levels. Adhering to the PACCAR maintenance schedule is paramount. Potential weaknesses that might emerge over many years and hundreds of thousands of miles could include wear on suspension components, exhaust system issues (beyond the DPF/SCR), or eventual needs for transmission servicing, depending on the type and usage.
One area that can sometimes require attention in medium-duty trucks, including the 337, relates to the emissions control systems (e.g., Diesel Particulate Filters - DPF, Selective Catalytic Reduction - SCR). These systems, while essential for meeting environmental regulations, can sometimes become clogged or require specific maintenance procedures. Neglecting these can lead to reduced performance and potential costly repairs. For the 2023 model year specifically, while no major systemic issues are widely publicized, owners should be vigilant about following the manufacturer's recommended regeneration cycles and maintenance schedules for these components.
Another aspect to consider for any heavy-duty truck is the durability of auxiliary systems. Electrical components, such as sensors, wiring harnesses, and control modules, are subject to vibration, heat, and moisture over time. While Peterbilt employs robust engineering, these are complex systems, and occasional failures can occur, particularly with aftermarket installations or modifications. Drivers and fleet managers should pay attention to dashboard warning lights or unusual system behavior.
Recalls are a standard part of automotive and commercial vehicle manufacturing, and the 2023 Peterbilt 337 is subject to them. These are typically addressed proactively by the manufacturer. Common recall areas for heavy trucks can involve braking system components, steering column issues, or software updates for engine control units. It is crucial for owners to regularly check for any open recalls through Peterbilt's official channels or a dealer and to have them addressed promptly to ensure safety and maintain warranty coverage. Specific recalls for the 2023 model year would be detailed by PACCAR and Peterbilt on an as-needed basis.
Long-term reliability is generally a strong suit for Peterbilt, and the 337 is no exception. The reputation is built on robust chassis, reliable PACCAR engines, and durable drivetrains. However, like all vehicles, components will eventually wear out with extensive use. Regular, preventative maintenance is the most critical factor in ensuring long-term reliability. This includes timely oil changes, filter replacements, brake inspections, and checking all fluid levels. Adhering to the PACCAR maintenance schedule is paramount. Potential weaknesses that might emerge over many years and hundreds of thousands of miles could include wear on suspension components, exhaust system issues (beyond the DPF/SCR), or eventual needs for transmission servicing, depending on the type and usage.
How long will the 2023 Peterbilt 337 last?
The 2023 Peterbilt 337 is engineered for exceptional longevity, and its expected service life is measured in hundreds of thousands of miles, often exceeding 500,000 miles with diligent maintenance. Many owners report their Peterbilts remaining in service for 10 to 15 years or more, accumulating well over a million miles in some commercial applications. The core PACCAR engines and robust chassis are known for their durability. Long-term weaknesses, if they arise, are typically related to wear and tear on high-mileage components such as suspension parts, exhaust systems, and certain drivetrain elements. However, with consistent adherence to the manufacturer's recommended maintenance schedule, including regular oil changes, filter replacements, and inspections, these trucks can continue to operate reliably for extended periods, making them a sound long-term investment for businesses.
What Technology & Safety Features are Included?
The 2023 Peterbilt 337 offers a blend of essential technology, safety, and driver-centric features designed to enhance productivity and comfort. While not equipped with the extensive infotainment systems found in passenger vehicles, its focus is on practical utility and operational efficiency.
Driver Assistance and Safety Features: Standard safety features typically include robust braking systems (often air brakes for superior stopping power), power steering for maneuverability, and comprehensive lighting for visibility. Depending on the configuration and optional packages, the 337 can be equipped with advanced driver-assistance systems (ADAS) that enhance safety. These may include features like lane departure warning systems, forward collision mitigation systems, and adaptive cruise control, which can help prevent accidents and reduce driver fatigue, especially on longer hauls. The strong, durable construction of the Peterbilt chassis inherently contributes to safety by providing a solid protective shell.
Technology and Entertainment: The technology focus in the 337 is on operational data and driver convenience. The dashboard is designed for excellent ergonomics, with easy-to-read instrumentation and accessible controls. While a premium audio system might be an option, the primary tech is often geared towards diagnostics and communication. Features like digital displays for engine status, fuel consumption, and trip information are standard. Connectivity options, such as Bluetooth for hands-free calling, may be available as optional upgrades. The aim is to provide drivers with the information they need to operate efficiently and safely without unnecessary distractions.
Optional Features: A wide array of optional features allows customization for specific vocational needs. These can include upgraded seat materials for enhanced comfort on long shifts, additional interior storage solutions, premium lighting packages, and advanced telematics systems that provide fleet managers with real-time data on vehicle location, performance, and driver behavior. Weather-monitoring systems and specialized auxiliary power outlets are also common options.
Crash-Test Ratings: Formal crash-test ratings, like those from the NHTSA or IIHS, are not typically conducted or published for medium-duty commercial truck chassis such as the Peterbilt 337. The safety of these vehicles is primarily assessed based on their robust construction, adherence to stringent industry safety standards (e.g., FMVSS in the US), and the integration of advanced braking and driver-assistance systems. The heavy-duty nature of the Peterbilt 337 inherently provides a high level of occupant protection due to its strong frame and components.
Driver Assistance and Safety Features: Standard safety features typically include robust braking systems (often air brakes for superior stopping power), power steering for maneuverability, and comprehensive lighting for visibility. Depending on the configuration and optional packages, the 337 can be equipped with advanced driver-assistance systems (ADAS) that enhance safety. These may include features like lane departure warning systems, forward collision mitigation systems, and adaptive cruise control, which can help prevent accidents and reduce driver fatigue, especially on longer hauls. The strong, durable construction of the Peterbilt chassis inherently contributes to safety by providing a solid protective shell.
Technology and Entertainment: The technology focus in the 337 is on operational data and driver convenience. The dashboard is designed for excellent ergonomics, with easy-to-read instrumentation and accessible controls. While a premium audio system might be an option, the primary tech is often geared towards diagnostics and communication. Features like digital displays for engine status, fuel consumption, and trip information are standard. Connectivity options, such as Bluetooth for hands-free calling, may be available as optional upgrades. The aim is to provide drivers with the information they need to operate efficiently and safely without unnecessary distractions.
Optional Features: A wide array of optional features allows customization for specific vocational needs. These can include upgraded seat materials for enhanced comfort on long shifts, additional interior storage solutions, premium lighting packages, and advanced telematics systems that provide fleet managers with real-time data on vehicle location, performance, and driver behavior. Weather-monitoring systems and specialized auxiliary power outlets are also common options.
Crash-Test Ratings: Formal crash-test ratings, like those from the NHTSA or IIHS, are not typically conducted or published for medium-duty commercial truck chassis such as the Peterbilt 337. The safety of these vehicles is primarily assessed based on their robust construction, adherence to stringent industry safety standards (e.g., FMVSS in the US), and the integration of advanced braking and driver-assistance systems. The heavy-duty nature of the Peterbilt 337 inherently provides a high level of occupant protection due to its strong frame and components.
What Colors Options are Available?
We’re working on this section!
In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2023 Peterbilt 337 Prices and Market Value
When new, the 2023 Peterbilt 337 typically has a starting price ranging from approximately $90,000 to $150,000, with prices escalating significantly based on engine choice, chassis configuration, and optional equipment. The used market for a 2023 Peterbilt 337 is still nascent, but based on historical trends for Peterbilt trucks, depreciation is generally moderate for well-maintained vehicles. A 2023 model in good condition with reasonable mileage could command prices in the $70,000 to $130,000 range. Factors significantly affecting resale value include maintenance history (a detailed service record is crucial), overall condition (cosmetic and mechanical), mileage, and the presence of desirable optional equipment. Trucks that have been used for less demanding vocational applications or have had consistent, professional maintenance tend to retain their value better than those subjected to extremely harsh conditions.
2023 Peterbilt 337 Cost of Ownership
Owning a 2023 Peterbilt 337 involves costs typical for a medium-duty commercial vehicle. Insurance premiums will be higher than for passenger cars, influenced by usage, coverage, and driver history. Fuel costs are substantial, directly related to the PACCAR diesel engines and operational demands; expect significant expenditure here. Maintenance is critical and ongoing, involving regular servicing of engines, transmissions, and brakes, which adds to operating expenses but is essential for longevity. Repair costs can be significant due to the specialized nature and robust components. Overall, while initial and ongoing costs are higher than light-duty vehicles, the 337 is considered cost-effective in the long run due to its durability and operational efficiency, providing a strong return on investment for businesses.
2023 Peterbilt 337 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2023 Peterbilt 337 Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2023 Peterbilt 337 Insurance
Insurance for a 2023 Peterbilt 337 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2023 Peterbilt 337 Compare to Other Truck?
The 2023 Peterbilt 337 competes in the demanding medium-duty vocational truck segment, where rivals include models like the International MV Series, Freightliner M2 Series, and Kenworth T380/T480.
Performance: The Peterbilt 337, with its PACCAR PX-7 and PX-9 engine options, generally offers robust performance, particularly in terms of torque and hauling capability, putting it on par with or even exceeding some competitors. The Freightliner M2 series also offers strong powertrain options. The International MV series is known for its versatility across various applications.
Features: Peterbilt is renowned for its driver-centric cab design, emphasizing comfort and ergonomics. The 337 offers good visibility and a well-laid-out dashboard. Competitors like Freightliner and Kenworth also provide comfortable and functional cabins, with increasingly advanced driver-assistance technologies being integrated across the board. International's MV series is also noted for its spacious cab options and adaptability.
Reliability: Peterbilt has a strong reputation for build quality and long-term reliability, with the 337 benefiting from PACCAR's proven powertrains and robust chassis construction. Kenworth, being part of the same PACCAR family, shares similar reliability traits. Freightliner often receives good marks for reliability, though some anecdotal evidence suggests Peterbilt and Kenworth might edge them out in sheer longevity in very demanding vocational use. International has been improving its reliability scores significantly.
Price: Pricing is competitive across this segment. The Peterbilt 337 often sits at a premium due to its brand prestige and build quality, typically falling within a similar range as its Kenworth counterparts. Freightliner M2 models can sometimes be found at slightly more aggressive price points, and International MV can also offer value.
Recommendations: For businesses prioritizing legendary durability, driver comfort, and strong resale value, the 2023 Peterbilt 337 is an excellent choice. A very similar alternative with near-identical underpinnings is the 2023 Kenworth T380/T480, offering a slightly different aesthetic and potentially minor feature variations. If budget is a more significant constraint without sacrificing core capability, the Freightliner M2 106 or 114SD are strong contenders, often providing comparable performance and features at a potentially lower acquisition cost. The International MV Series is a strong all-rounder, especially for those needing specific vocational configurations and good overall value.
Performance: The Peterbilt 337, with its PACCAR PX-7 and PX-9 engine options, generally offers robust performance, particularly in terms of torque and hauling capability, putting it on par with or even exceeding some competitors. The Freightliner M2 series also offers strong powertrain options. The International MV series is known for its versatility across various applications.
Features: Peterbilt is renowned for its driver-centric cab design, emphasizing comfort and ergonomics. The 337 offers good visibility and a well-laid-out dashboard. Competitors like Freightliner and Kenworth also provide comfortable and functional cabins, with increasingly advanced driver-assistance technologies being integrated across the board. International's MV series is also noted for its spacious cab options and adaptability.
Reliability: Peterbilt has a strong reputation for build quality and long-term reliability, with the 337 benefiting from PACCAR's proven powertrains and robust chassis construction. Kenworth, being part of the same PACCAR family, shares similar reliability traits. Freightliner often receives good marks for reliability, though some anecdotal evidence suggests Peterbilt and Kenworth might edge them out in sheer longevity in very demanding vocational use. International has been improving its reliability scores significantly.
Price: Pricing is competitive across this segment. The Peterbilt 337 often sits at a premium due to its brand prestige and build quality, typically falling within a similar range as its Kenworth counterparts. Freightliner M2 models can sometimes be found at slightly more aggressive price points, and International MV can also offer value.
Recommendations: For businesses prioritizing legendary durability, driver comfort, and strong resale value, the 2023 Peterbilt 337 is an excellent choice. A very similar alternative with near-identical underpinnings is the 2023 Kenworth T380/T480, offering a slightly different aesthetic and potentially minor feature variations. If budget is a more significant constraint without sacrificing core capability, the Freightliner M2 106 or 114SD are strong contenders, often providing comparable performance and features at a potentially lower acquisition cost. The International MV Series is a strong all-rounder, especially for those needing specific vocational configurations and good overall value.
Final Verdict: Is the 2023 Peterbilt 337 a Good Truck?
The 2023 Peterbilt 337 is an ideal choice for small to medium-sized businesses and owner-operators who demand a durable, reliable, and comfortable vocational truck for a wide range of applications, including construction, delivery, and specialized services. It is absolutely worth buying if long-term value, operational efficiency, and driver satisfaction are top priorities. While new models offer the latest technology and full warranty, purchasing a well-maintained used 2023 Peterbilt 337 can offer significant cost savings with minimal compromise on its core strengths. Focusing on models equipped with the PACCAR PX-9 engine and appropriate chassis for your specific needs will maximize its utility and return on investment. It represents a solid investment for those who value Peterbilt's reputation for quality and longevity.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.