The CUMMINS B3.3 crankshaft (C6204311111) is purpose-built for the popular B3.3 series engines, delivering reliable power for construction machinery, heavy-duty trucks, and industrial generators. With a displacement of 8.3 liters, the engine produces up to 150 kW output, requiring a crankshaft that combines strength, precision, and durability.

Manufactured from high-grade 40Cr forged steel and treated with multi-stage heat processing, this crankshaft ensures extended service life, excellent torsional resistance, and smooth operation even under continuous heavy load cycles.

Product Specifications

ENGINE NO	B3.3
OEM/PART NO	C6204311111
Crankshaft Material	Forged steel 40Cr
Engine type	diesel engine
Anti-rusty Coating	Yes

Product Advantages

(1)Heavy-Duty Durability

Handles high torque from 3.3 L Cummins engines
Service life 3–5 years under heavy load conditions

(2)Medium Frequency Quenching (Heat Treatment)

Tempering → Induction Hardening → Stress-Relief Tempering

Surface hardness: HRC 52–58, hardened layer depth: 3–5 mm

Balances internal toughness with superior surface wear resistance

(3)Journal Precision Polishing

CNC grinding achieves roundness ≤0.005 mm and Ra ≤0.4 µm

Enhances lubrication film, reducing wear and oil consumption

Ensures smooth engine operation when paired with dynamic balancing

(4)Rigorous Quality Control

Quality Check That Keeps You Working

Every C6204311111 crankshaft gets a full work-over before it leaves our floor: we UT-scan the forgings, MT-check each journal, then spin-balance until the residual wobble sits under 10 g·cm/kg. Thirty-plus checkpoints are logged, and if your site demands paperwork, SIO certificates can offer-no surprises, no comebacks.

3917320 ISO certification

Applicable Equipment

产品-1460-234

Product packaging

For CUMMINS B3.3 crankshaft (C6204311111) , we offer packaging options: ply wood and crude wood. Each crankshaft is coated with anti-rust coating and wrapped in oil paper.

product-1-1

FAQ (Answering Common Questions)

Q: If my product needs to be made of other special materials, can you do it?

A: Of course you can, you only need to provide design drawings or samples, the R&D department will evaluate your requirements and we will give you the most satisfactory answer.

Q: Can I visit your factory?

A: Of course you can, we warmly welcome your arrival. We will show you the way and arrange a time to pick you up.

Q: Do you provide OEM service?

A: Yes, we do. We provide OEM service. We accept customized designs and can develop new products according to your samples or drawings.

Q: Can I request to change the packing and transportation form?

A: Yes, we can change the package and transportation form according to your requirements, but you are responsible for the cost and price difference during the period.

Q: Can I request an early shipment?

A: This depends on whether we have enough stock in our warehouse.

Hot Tags: Crankshaft For Cummins B3.3|C6204311111, China Crankshaft For Cummins B3.3|C6204311111 manufacturers, suppliers, factory, cummins isx front main seal, p0336 cummins, cummins 4bt rear main seal, 3918986, cummins isx front crankshaft seal, CUMMINS NH220 crankshaft