CAT 457-3636 20R-4113 Turbocharger for Caterpillar C7.1 Engines
CAT 457-3636 20R-4113 Turbocharger for Caterpillar C7.1 Engines
CAT 457-3636 20R-4113 Turbocharger for Caterpillar C7.1 Engines
OEM-grade replacement turbocharger assembly (Part Nos. 457-3636 / 4573636 and Reman 20R-4113 / 20R4113) engineered specifically for Caterpillar C7.1 and C7.1 ACERT Tier 4 Final / Stage IV / Stage V electronic diesel engines. Built with high-strength nickel-alloy turbine wheel (Inconel 713C), precision CNC-machined forged billet aluminum compressor wheel, heavy-duty ductile iron turbine housing, and a 360-degree high-load thrust bearing system. Dynamically high-speed VSR balanced to eliminate vibration, ensure rapid boost spool-up, optimize fuel economy, and maintain emission compliance under continuous heavy construction loading.
Part Specifications
- Part Numbers: 457-3636 (4573636), 20R-4113 (20R4113)
- Brand: Caterpillar (CAT)
- Engine Model: Caterpillar C7.1 / C7.1 ACERT (Tier 4 Final / Stage IV / V)
- Component: Complete Turbocharger Assembly with Wastegate Actuator
- Turbine Wheel: Inconel 713C High-Temperature Nickel Alloy
- Compressor Wheel: Forged Milled Billet Aluminum
- Bearing System: Heavy-Duty Journal Bearings & 360° Bronze Thrust Bearing
- Condition: Brand New / OEM Replacement
- Country of Origin: China
- HS Code: 8414.59
- Application: Heavy Construction Equipment / Earthmoving / Industrial / Generator Sets
Compatible Caterpillar Equipment Models
Precision-engineered for Caterpillar machinery and industrial power packages equipped with the C7.1 engine, including:
- Hydraulic Excavators: 320, 320 GC, 323, 326, 329E, 330, 330 GC, 336 GC
- Medium Wheel Loaders: 926M, 930M, 938M, 950 GC, 950M, 962M
- Track-Type Tractors / Bulldozers: D6K2, D6N
- Motor Graders: 120M2, 12M3
- Paving & Compaction Equipment: AP555F, AP655F Asphalt Pavers, CP54B, CS54B Soil Compactors
- Industrial & Generator Sets: C7.1 Industrial Power Units and Diesel Generator Sets
- Please verify engine arrangement number and turbo nameplate part number before ordering.
Cross-Reference & Alternate Part Numbers
457-3636 | 4573636 | 20R-4113 | 20R4113 | 457-3637 | 4573637 | 363-2200 | 3632200 | CAT4573636
Why Choose Us?
- Complete B2B wholesale supply for equipment fleets, rebuilders, and service centers
- Competitive volume pricing and bulk freight discounts
- 100% factory VSR high-speed balanced and quality tested
- Fast worldwide air express and ocean freight dispatch
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