Product Overview:
The 3021036-20 is a genuine CCEC starter motor designed for Cummins NTA855 and NT855 series engines. .This generator is available in two models: 39MT and 42MT..Rated at 24V / 11 teeth, it is the factory-standard power solution for generator sets and heavy-duty industrial equipment. Built to withstand harsh operating conditions, it delivers reliable cranking power for quick, consistent engine starts, even in low temperatures or high-load environments. it ensures perfect compatibility and long-term durability for your Cummins engine.
✅24V / 7.8kW power rating with 11-tooth drive for strong cranking performance Upgraded winding and brush materials for improved durability
✅Reinforced gear assembly to resist wear under heavy use
✅Optimized design for reliable cold starts and long service life
✅Direct drop-in replacement, no modification required
Starter Motor Specifications:
Parameter
39MT Reduction Type (Mainstream Version)
42MT Direct Drive Type (Early Version)
System Voltage
24V DC
24V DC
Rated Power
Rated Power:6.5kW Peak Power:8.5-9.0kW
Rated Power:8.0-8.5kW Peak Power:9.0kw
Pinion Teeth
11 Teeth
11 Teeth
Pinion Pitch Diameter
56mm
55.9mm
Pinion Pitch
6/8 SAE
6/8 SAE
Rotation Direction
Clockwise (CW)
Clockwise (CW)
Mounting Method
SAE #3 Flange (3-bolt triangular)
SAE #3 Flange (3-bolt triangular)
Weight
14-17kg (30.8-37.5lbs)
Approx. 34kg (76lbs)
Dimensions
L 315mm × Φ 143mm
L 787mm × W 279mm × H 229mm
Protection Features
Built-in overheat protection (over-crank protection)
No built-in overheat protection
Applications:
Construction Machinery:XCMG / SANY / Liugong rotary drilling rigs, Shantui SD32 bulldozers
Diesel Generator Sets: 200-400kW power range
Marine Power: Marine main engines and auxiliary engines
Oilfield Equipmen:Fracturing trucks, drilling rigs, etc.
Why Choose US?
✅Strictly made per CCEC standards, perfect direct fit for NTA855 series engines
✅Multi-tests finished before delivery, stable performance for harsh heavy-duty work
✅Adequate stock supports fast shipment and bulk order supply - Factory direct price, cut your equipment maintenance cost
✅Professional technical guidance and reliable after-sales service
Name: Aandy
Mobile:
Tel:19924579082
Email:1941346301@qq.com
Add:5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen