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Daewoo Crankshaft

Your Professional Daewoo Crankshaft Supplier

 

Our goal is to become your true partner in the field of cat crankshaft China. Zhejiang Weilin Mechanical Co., Ltd. is a national high-tech enterprise focusing on the production and trade Forged Steel Crankshaft in the field of Construction Machinery, Heavy Trucks, Marine, Generator Sets, Agricultural Machines, Automobiles, Diesel Engines, and etc. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

 

 
 
Why Choose Us
 

Production Equipment: Our company possesses advanced production equipment, such as CNC grinding machine spindles, CNC grinding machine connecting rods, CNC lathes, CNC engine lathes, CNC crankshaft milling machines, semi-automatic quenching machines, CNC oil hole drilling machines, horizontal drilling and tapping machines, CNC keyway milling machines, crankshaft dynamic balancing machines, and non-destructive testing machines.

 

Production Market: Our products are well-received in the market and are exported to Europe, America, the Middle East, Southeast Asia, and other countries and regions.

 

Customized Solutions: We provide OEM drawing processing and personalized parameter customization services. You can receive a tailor-made solution within 72 hours to meet your unique needs.

 

Our Services: Our professional after-sales service and technical team is dedicated to providing you with professional assistance. We offer a one-year warranty for your peace of mind. If your crankshaft fails during this period due to material or manufacturing defects, we will provide free repair or replacement services.

 

 
Advantages of Daewoo Crankshaft
 
01/

Precise engine data: Some crankshafts, particularly components like crankshaft position sensors, are high in accuracy and sensitivity, which enhances safety and provides the engine computer with precise data for fuel injection and ignition timing.

02/

Smooth operation: A properly functioning crankshaft is essential for converting linear motion to rotational motion, which is crucial for engine power and torque and overall vehicle performance.

03/

Sturdy material: They are crafted from robust components, providing long-lasting performance and consistent operation.

04/

High fatigue and wear resistance: Like all quality crankshafts, Daewoo crankshafts are designed to withstand the high stresses of engine operation, which ensures a long service life.

 

Specification of Daewoo Crankshaft

 

ENGINE NO

D2366/DE12

OEM/PART NO

150107-00187

Crankshaft Material

Forged steel 40Cr

Engine type

Diesel engine

Anti-rusty Coating

Yes

 

Crankshaft for Daewoo Dl08

 

Features of Daewoo Crankshaft

Material advantage: Using 40cr forged steel, the crankshaft is designed to last. It performs far better than cast iron alternatives, with strength levels that keep it from bending or cracking under pressure. In real working conditions, customers typically see 3–5 years of reliable service, even in demanding operations, helping reduce maintenance stops and unplanned downtime.


Multi-stage heat treatment for durability: Tempering → medium-frequency induction hardening → stress-relief tempering.


Hardened layer depth: 3–5 mm. Delivers the optimal balance of core toughness and surface wear resistance.


Precision journal grinding: Cnc machining achieves ra ≤0.4 μm surface roughness and ≤0.005 mm roundness. Enhances lubrication film stability, reduces friction, and minimizes early wear. Ensures smooth engine operation when paired with dynamic balancing.

 

Application of Daewoo Crankshaft

 
 
01
 

Other Machinery

Related engines, such as those found in agricultural machinery and other industrial equipment, may also use similar crankshaft designs.

 
02
 

Power Transmission

This rotational motion is then transmitted from the crankshaft to the vehicle's drivetrain, which ultimately turns the wheels.

 
03
 

Passenger Vehicles

Daewoo crankshafts are used in various passenger vehicles.

 
04
 

Buses and Commercial Vehicles

They are also used in Daewoo-branded buses and other commercial vehicles that use Daewoo or Doosan engines.

Crankshaft for Mitsubishi 4d34

 

Components of Daewoo Crankshaft

 

 

A Daewoo crankshaft is made of main components like the crankpins, main journals, and webs, which are typically forged or cast from steel. Other components include the connecting rods, which link the pistons to the journals, and the flywheel mounting flange, which connects the crankshaft to the flywheel.

 

Packing and Shipping of Daewoo Crankshaft

 

Packing

Standard export plywood or raw wood, anti-rust coating, and plastic protection caps.(Plywood is used by default. raw wood is available at an additional cost.)

Shipping

Sea freight as standard

 

Certificate

 

p20250728113126d5a11.jpg (800×1100)

 

FAQ

 

Q: How close are the journals after you grind them?

A: We stop the wheel when the air gage reads 0.005 mm out-of-round and the stylus says Ra 0.4 µm

Q: Got proof of quality?

A: Sure. We can e-mail you a third-party sheet that lists hardness, balance runout, and induction-hard depth-same lab that audits us twice a year.

Q: How long before I'm back under the cab?

A: Most customers get three to five years of 10-hour shifts before the first signs of wear.

Q: Will it take the torque spike when the bucket stalls?

A: No drama. The shaft is forged from 40Cr, heat-treated, and spin-tested to handle the engine's peak without twisting the keyway.

We're well-known as one of the most reliable daewoo crankshaft manufacturers and suppliers in China. Please feel free to wholesale high quality daewoo crankshaft made in China here from our factory. We also accept customized orders.

150107 00187, DAEWOO D1146 crankshaft, 65 02101 0045A