Details
Genuine Cummins B170-33 Diesel Engine Assembly
Procuring a reliable replacement power unit for heavy-duty commercial vehicles or industrial machinery requires more than just matching horsepower numbers. The Cummins B170-33 engine represents one of the most durable iterations of the legendary 5.9L B-Series architecture. Manufactured by Dongfeng Cummins Engine Co. (DCEC), this specific assembly is highly sought after by fleet operators and mechanics worldwide.
As a premier Cummins B170-33 engine supplier, HekoPower provides complete engine replacement solutions rather than just bare blocks. Whether you are dealing with a catastrophic failure in a commercial truck or upgrading a piece of heavy agricultural machinery, this 170HP Cummins vehicle engine offers a robust, mechanical alternative to modern, overly complex electronic power plants.
Tech Specs of Cummins B170-33
General Engine Data
Engine Model: Cummins B170-33
Type: 6 Cylinders in Line
Displacement: 5.9 L
Bore * Stroke: 102 * 120
Net Weight (with flywheel & alternator): 407 Kg
Overall Dimension: 1026mm*699mm*912mm
Key Performance Data
Rated Power: 125 kW/170HP
Rated Speed: 2500 rpm
Max Torque/Speed: 560 N.m @ 1300 rpm
Fuel Consumption @ Rated Power: 238 g/Kw.h
Max. No-load Governed Speed: 2750 rpm
Idle-Speed: 750 rpm
Max Continuous Running Altitude: 3000 m
More Technical Data
Certification: Euro II
Aspiration: Turbocharged & Intercooled
Fuel System: Wuxi Weifu Pump
Compression Radio: 17.3:1
Electrical System (Starter Motor/Alternator): 12V (500A)/24V (250A)
Lowest Starting Temp Without auxiliary system: -10℃/-25℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 9.0 L
The Mechanical Fuel Injection Advantage
One of the most critical selling points of this specific power unit is its fuel system. Unlike the newer ISB or QSB series engines that rely on highly sensitive High-Pressure Common Rail (HPCR) systems, this is a traditional Cummins mechanical diesel engine.
The Cummins B170-33 engine with Wuxi Weifu fuel pump (often paired with a BYC PD pump and RQV-K governor) offers distinct advantages in harsh operating environments. Mechanical fuel injection systems do not require complex electronic control modules (ECMs) or sophisticated wiring harnesses. More importantly, the Wuxi Weifu pump is exceptionally tolerant of lower-grade or contaminated diesel fuel—a common reality in mining, remote construction sites, and export markets. If water or particulate matter bypasses the fuel filter, a mechanical pump is far less likely to suffer catastrophic injector failure compared to a piezoelectric common rail system.
Compatible Equipment and Real Application Scenarios
Because the B170-33 shares the foundational footprint of the Cummins B series diesel engine family, it serves as an incredibly versatile platform.
Dongfeng Commercial Trucks and Repower Projects
The most common application for the Cummins B170-33 complete engine is as a direct replacement for Dongfeng commercial trucks. Vehicles originally outfitted with older EQB160 or B170 engines can accept this assembly with minimal chassis modification. The engine's compact dimensions (roughly 1095mm length x 744mm width x 905mm height) and 453 kg dry weight make it an ideal candidate for tight engine bays in medium-duty cab-over trucks. Fleet managers looking to replace an old Cummins B series engine often choose this exact specification to restore factory-level towing capacity and reliability to their aging chassis.
Heavy Machinery: Construction, Agriculture, and Pump Drives
Beyond the highway, HekoPower frequently supplies the B170-33 as an industrial workhorse. As a Cummins B170-33 construction equipment engine, it excels in environments hampered by heavy dust and vibration. The standard configuration includes a heavy-duty turbocharger and air-to-air intercooler, ensuring the engine maintains its 170HP rating even in high-altitude or high-temperature environments.
For buyers seeking a Cummins B170-33 excavator engine, the mechanical governor provides excellent throttle response when the hydraulic pump suddenly demands load. Similarly, when adapted as a Cummins B170-33 pump drive engine for irrigation or industrial fluid transfer, the continuous duty rating ensures the engine can run for days without thermal degradation, provided cooling system maintenance is kept up to date.
Complete Engine Replacement and Maintenance Guide
Transitioning to a new engine block involves specific logistical steps. A successful Cummins B170-33 engine replacement solution requires proper preparation before the engine is ever lowered onto the mounts.
Before purchasing, ensure your transmission bell housing matches the SAE bolt pattern on the rear of the block. When HekoPower ships a complete engine, it typically arrives as a full power unit, including the alternator, starter, turbocharger, water pump, and fuel transfer pump. However, accessory drives such as power steering pumps or specialized PTO (Power Take-Off) units for agricultural machinery must be verified for spline compatibility.
Maintaining this six-cylinder diesel engine is remarkably straightforward compared to modern emission-choked engines. The primary maintenance guide dictates strict adherence to oil change intervals (typically 250 hours for industrial use or 10,000 kilometers for road use) using high-quality 15W-40 diesel engine oil. Valve lash should be inspected every 1,500 hours, as mechanical valvetrains will naturally seat over time. Additionally, because the Wuxi Weifu fuel pump is mechanical, operators must regularly drain the fuel-water separator, as mechanical pumps rely entirely on the diesel fuel itself for internal lubrication.
Clarifying Common Buyer Misconceptions
Purchasing commercial diesel engines often comes with a steep learning curve. A frequent misconception is confusing the mechanical B170-33 with the electronic ISB170. While both are Cummins 5.9L blocks, you cannot simply swap a mechanical B170-33 into a truck wired for an ISB electronic engine without completely rewiring the dashboard and throttle pedal. The B170-33 relies on a mechanical throttle linkage, whereas electronic engines require a drive-by-wire sensor.
Another common error involves emission standards. The B170-33 mechanical fuel injection engine generally meets Euro II or Euro III emission standards, utilizing in-cylinder combustion technology and basic exhaust post-processing. It does not utilize DEF (Diesel Exhaust Fluid) or complex DPF (Diesel Particulate Filter) systems. Buyers must ensure that local environmental regulations allow for Euro III mechanical engines in their specific application before taking delivery.
DCEC B Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes B125-33, B140-33, B160-33, B170-33, B180-33, B190-33, B210-33.
Frequently Asked Questions
Are these engines genuine factory builds or aftermarket rebuilds?
When you buy a genuine Cummins B170-33 engine assembly from HekoPower, you are receiving a brand-new factory unit manufactured by DCEC (Dongfeng Cummins), complete with original OEM components. These are not aftermarket overhauls.
Do you provide engines with custom power-pack configurations?
Yes. HekoPower operates as a comprehensive Cummins B170-33 engine exporter. We can configure the engine for industrial applications by adding dedicated radiators, cooling fans, heavy-duty air filters, and industrial mufflers to create a self-contained Cummins B170-33 power unit.
Where can I source spare parts after purchasing the engine?
Because this engine is part of the global Cummins B series 170HP engine family, spare parts are universally available. HekoPower provides comprehensive Cummins B170-33 maintenance guide and spare parts support, supplying everything from replacement Wuxi Weifu injection lines to OEM turbochargers and water pumps.
How do I get an accurate Cummins B170-33 engine price?
Prices fluctuate based on shipping destinations and exact configuration requirements (such as adding an air compressor for vehicle air brakes). As a wholesale Cummins B170-33 engine distributor, HekoPower provides exact CIF or FOB pricing upon request. Contact our technical sales team to confirm your engine for sale requirements, application type, and port of delivery.
