banner image

The Cummins B3.3 engine brings toughness and reliability to every piece of equipment it powers, from tractors to irrigation pumps.  Its in-line 4-cylinder design has a compact footprint for easy installation.  With ratings from 60 hp (45kW) to 85 hp (63kW) Cummins in-cylinder solution meets Tier 3 and Stage IIIA emissions or Tier 4 Interim emissions below 75 hp (56kW) with both naturally aspirated and turbocharged versions that deliver strong performance.  Single-sided maintenance is just one of many standard features and options that let you customize your B3.3.

Getting the right combination to match your equipment, operating environment and workloads has never been easier.  Cummins Advisor is ready to provide expert assistance with your installation process.

Every B3.3 engine is covered by Cummins three-step warranty, one of the most comprehensive and simplest plans in the industry.

To view or print a product brochure, please visit our brochures page.
Engine Model Advertised hp @ rpm Peak hp @ rpm Peak Torque lb-ft @ rpm Aspiration 
B3.3-85 85 (63) @ 2600 85 (63) @ 2600 224 (304) @ 1600 Turbocharged 
B3.3-80 80 (60) @ 2200 80 (60) @ 2200 224 (304) @ 1600 Turbocharged 
B3.3-75 75 (56) @ 2600 75 (56) @ 2600 224 (304) @ 1600 Turbocharged 
B3.3-74 74 (55) @ 2600 74 (55) @ 2600 181 (245) @ 1600 Turbocharged 
B3.3-65 65 (48) @ 2600 65 (48) @ 2600 158 (214) @ 1600 Naturally Aspirated 
B3.3-60 60 (45) @ 2200 60 (45) @ 2200 158 (214) @ 1600 Naturally Aspirated 
All ratings are intermittent unless otherwise noted.  Additional ratings may be available.  Check with you Cummins distributor or dealer.

With every start on every piece of equipment, Cummins B3.3 is setting records for dependable performance.  Its simple compact design make it one of the most reliable engines in Cummins entire lineup of off-highway engnes.  With or without turbocharging, it has a low heat rejection rate.  Plus, the B3.3 is designed to meet lower noise regulations, with a deep, stiff crankcase, optimized rib arrangement and an isolated valve cover.

Specifications.
Advertised Horsepower 60-85 hp 45-63 kW 
Peak Torque 158-224 lb-ft 214-304 N•m 
Number of Cylinders 4  
Oil System Capacity (NA) 8 U.S. qt 7.5 liters 
Oil System Capacity (Turbo) 8.5 U.S. qt 8 liters 
Length 27.7 in 703.4 mm 
Width 22.8 in 580 mm 
Height 31.7 in 804.9 mm 
Wet Weight 606 lb 275 kg 

The B3.3 is built to last, with a cast-iron parent bore block designed for durability and reliability. Every element of the design adds value to the customer, including:
  • Direct injection for increased fuel efficiency, low heat rejection and quicker starts
  • A deep, stiff crankcase with structural ribs for lower noise and increased life
  • An isolated valve cover for reduced noise
  • Optional intake air heater for cold-weather starting
  • Low rotating inertia (30% less than industry average) for reduced vibration
  • Left- or right-side service options for easy maintenance
  • SAE "A" PTO mounting option with engine-mounted, gear-driven designs (Front-mounted crank PTO generates 100% torque for hydraulic applications)

The small footprint and compact size of the B3.3 make it an excellent fit for a wide variety of agricultural equipment. Plus, you have a choice of over 100 options, including:
  • Fan height and ratio
  • SAE "A" PTO options
  • SAE #3 or #4 flywheel housings
  • Intake heater and other cold-start aids
  • One-side service capability
  • Auxiliary pump drive
  • Gear-driven positive displacement air compressor
  • And more
    •
    Maintenance Intervals.

    Turbocharged B3.3 engines require an oil change at 350-hour/3-month intervals, while naturally aspirated models can go 500 hours or 6 months between oil changes.
    For complete maintenance information, please consult your Owner's Manual or Operations and Maintenance Manual.
    The base warranty includes full coverage on every B3.3 engine and branded components, including electrics such as starters and alternators for unlimited hours during the first year of operation, extending through 2 years or 2,000 hours (whichever comes first). The base warranty also includes 3-year/10,000-hour standard protection on major components. 

    Three simple steps explain everything you need to know:

    Step One: Full coverage on all Cummins industrial engines and branded components with unlimited hours during the first year of operation. This includes Cummins branded electrics such as alternators, starters, etc

    Step Two: Full coverage is extended for the second year, up to 2,000 hours of operation. Total hours are cumulative from the time the engine goes in service.

    Step Three: Major components coverage including block, crankshaft, camshaft and rods on all products for the third year or up to 10,000 hours of operation.

    Extended coverage is available with our Encompass Protection Plans with the flexibility to meet the needs of your agriculture operation.  Cummins Encompass has you covered, around the clock and around the globe. 

    For complete warranty details, please see the US and Canadian warranty brochure (3381321) or International warranty brochure (3381322)
    Getting every installation right - the first time - is what Cummins Advisor is all about. Advisor software builds a virtual model to make sure every system (air, intake, exhaust, cooling) is integrated for optimum performance. It takes into account everything from load factors to operating climates to duty cycles - then identifies systems or components that could negatively impact reliability - listing alternatives that deliver the performance you expect the first time - every time.