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Forged steel Cummins B3.3 Crankshaft (OEM 3329036) for QSB3.3 engine series, a precision-machined heavy-duty replacement for construction and industrial applications
High-durability forged Cummins B3.3 Crankshaft (3329036) for QSB3.3 engines, precision-engineered for compact construction and industrial diesel applications.

Cummins B3.3 Crankshaft | Forged Steel Engine Parts – Ruich Value

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Premium Forged Cummins B3.3 Crankshaft (3329036)

The Cummins B3.3 Crankshaft is a critical component engineered to deliver reliable power transmission for the B3.3 and QSB3.3 engine series. Manufactured from high-tensile forged steel, this crankshaft is designed to withstand the rigorous demands of continuous heavy-duty operation in construction, material handling, and power generation applications. Our aftermarket B3.3 crankshaft meets or exceeds OEM specifications for material composition, balance, and surface hardening, making it the ideal choice for auto parts distributors and engine rebuilders seeking a robust, long-lasting replacement.

This precision-machined rotating assembly features superior dimensional accuracy on all journal surfaces to ensure optimal bearing life and minimized engine vibration. The consistent quality and durability of our Cummins QSB3.3 engine parts provide fleet managers and industrial workshops with a dependable solution for engine overhauls. Key applications include compact construction machinery like skid steer loaders and telehandlers, as well as dependable power sources for diesel generator sets and industrial pumps, where performance under load is non-negotiable.

Specifications & Features

OEM Numbers Engine Model Compatibility Material Weight (Approx.) Stroke Main Journal Diameter (Std) Crankpin Diameter (Std) Key Features
3329036, C6204311111, 4941136 Cummins B3.3, Cummins QSB3.3, Komatsu 4D95-3 Premium Forged Steel 27 kg 115 mm 70.00 mm 57.00 mm
  • High-Frequency Induction Hardening for superior wear resistance
  • Multi-stage Balancing for reduced engine vibration
  • Strict OEM dimensional control and surface finish

Compatible Engine Models and Applications

Engine Model Application Field Typical Equipment Brands & Models
Cummins B3.3 / QSB3.3 Construction Machinery (Compact) Skid Steer Loaders (Bobcat, Case), Telehandlers, Road Compactors
Cummins B3.3 / QSB3.3 Power Generation / Industrial Cummins Diesel Generator Sets (e.g., C44D5R), Industrial Pumps, Air Compressors
Cummins B3.3 / QSB3.3 Material Handling Various 4-ton to 7-ton Forklifts (Doosan, Daewoo/Doosan Infracore)
Cummins B3.3 (Komatsu) Excavators / Light Earthmoving Komatsu PC60-7, PC70-7, PC78US-6 (Engines cross-referenced with 4D95)

Why Choose Ruich Value for Cummins B3.3 Crankshaft

As a global B2B supplier of Cummins engine components, Ruich Value is your trusted partner for high-quality, reliable aftermarket parts.

  • 20+ Years of Manufacturing Expertise: Dedicated focus on precision engine parts, ensuring deep technical knowledge and consistent product quality.
  • OEM-Standard Machining: Guaranteed dimensional precision, optimal surface hardness, and multi-stage balancing to meet strict OEM performance requirements.
  • Custom Development Capability: Flexibility to develop new B3.3 diesel engine parts from technical drawings or samples to expand your product range.
  • Stable Global Supply Chain: Reliable inventory, secure packaging, and efficient export logistics support to maintain consistent stock for importers and distributors worldwide.
  • Strict Quality Inspection: Full traceability and rigorous QC protocols applied to every Cummins B3.3 Crankshaft before shipment, minimizing warranty risks.

Full Cummins Engine Parts Range

Ruich Value provides a comprehensive range of genuine-quality Cummins engine components covering multiple engine models. You can explore all available models using the table below:

Model List:

Cummins Engine ModelCore Displacement (L)SerialAssociated Models (for Cross-Reference)Key Applications
B3.33.3B / ISB / QSB Series (Light & Mid-Range)B3.3 (M16/18)Skid Steer, Excavator, Forklift, Gen-Set
4BT/3.93.9B / ISB / QSB Series (Light & Mid-Range)4BT3.9, 4BTADiesel Conversion Swap, Jeep Swap, Ford Van, Step Van
ISB4.5 / B4.54.5B / ISB / QSB Series (Light & Mid-Range)4ISBE, 4ISDE, ISB 4.5L Euro VMedium-Duty Truck, Bus, Delivery Vehicle
4H4.0H Series (Mid-Range)4H / 4HJ / 4HTJohn Deere Excavators (200D/210D), Caterpillar Skid Steers (226B/232B), Komatsu Forklifts (FG20T-25),
6BT / B5.95.9B / ISB / QSB Series (Light & Mid-Range)6BT5.9, 12 Valve (12V), 3965010Dodge Ram 1500/2500/3500 (1989-2002), Agricultural Tractor
ISB6.7 / QSB6.76.7B / ISB / QSB Series (Light & Mid-Range)6ISBE, 6ISDE, ISB 6.7L Euro VDodge Ram 2500/3500 (2007.5+), School Bus, Fire Truck
6CT / ISC 8.38.3C / ISC / QSC Series (Mid-Range Heavy-Duty)6CTA, C8.3, 6D114Freightliner, Fire Apparatus, Motorhome (RV), Dozer
ISL8.9 / QSL98.9L / ISL / QSL Series (Heavy-Duty)ISL, ISB 8.9LHeavy-Duty Bus, RV Coach, Crane, Volvo/Kenworth Truck
M11 / ISM / QSM1110.8M / ISM / QSM Series-Road Truck, Semi-Truck, Haul Truck, Gen-Set
NT85514N / NT Series (Classic Mechanical)N14, NH220 (Earlier), D85Peterbilt, Kenworth, Classic Truck, Heavy Equipment
K19 / QSK1919K / QSK Series (High Horsepower)KTA19, KT19Mining, Marine Propulsion, Drill Rig, Power Generation
K38 / QSK3838K / QSK Series (High Horsepower)KTA38, KAT38, GTA38Large Mining Excavator, Off-Highway, Gen-Set
ISF2.8 / ISF3.82.8 / 3.8F / ISF Series (Light Commercial)-Foton, GAZelle, Light Commercial Van
A23002.3A Series (Small Utility)-Small Gen-Set, Utility Equipment
ISL9 / QSL9 (6L/9.3L)8.9 / 9.3L / ISL / QSL SeriesL9, ISL 9.3L Euro V/VIDongfeng Trucks (DFL4251), Shantui Bulldozers (SD32D),
NH22014N / NT Series (Classic Mechanical)NT855, N14, NH220Peterbilt 359, Kenworth W900, Classic Truck, Heavy Equipment, Vintage Tractor

Contact Us for More Details

For wholesale pricing, technical specifications, or to inquire about our full range of Cummins B3.3 and QSB3.3 engine components, please contact our B2B sales team:

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