20R-1145 camshaft for CAT engine spare part

20R-1145 camshaft for CAT engine spare part Featured Image
  • 20R-1145 camshaft for CAT engine spare part
  • 20R-1145 camshaft for CAT engine spare part
  • 20R-1145 camshaft for CAT engine spare part

Short Description:

Remanufactured camshaft for Caterpillar C15 ACERT engine, rebuilt to OEM standard, drives hydraulic tappet valve train and controls intake and exhaust valve timing, overhaul replacement for mining trucks, heavy haul trucks and generator sets.

Product Detail

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description

This camshaft is Cat Reman unit for C15 ACERT, different from 20R-1138 for C13. Only qualified core is adopted, with crack inspection, journal grinding, cam surface coating, polishing and phase verification. Cam lobes actuate hydraulic tappets and rockers to regulate valve lift and timing window, matching C15 ACERT ECU fuel strategy for heavy haul and mining cyclic loads.

It uses forged steel core with special reman coating on cam contact surface, good resistance to pitting and spalling under high cylinder pressure of ACERT engine. All internal oil galleries are cleaned and flushed to maintain stable oil film and reduce scoring risk.

It fits Caterpillar C15 ACERT engine, widely used on 740 articulated truck, 770 mining truck, heavy highway trucks and stationary generator sets. Timing gear is sold separately. C15 ACERT cam profile is not interchangeable with older 3406E or early C15, verify engine serial number before ordering.

Part Number: 20R-1145
Name: Remanufactured camshaft
Applicable Models: Caterpillar C15 ACERT engine; 740,770 mining truck, heavy haul truck, generator set
Material: Forged steel core with reman wear-resistant coating
Type: Reman unit, timing gear not included
Function: Drive hydraulic tappet valve train and control intake & exhaust valve timing

Product Advantages

1. OEM reman rebuild process, coating optimized for high cylinder pressure of ACERT, cost-effective vs new forged camshaft
2. ACERT dedicated cam lift curve matches aftertreatment system, cuts emission-related fault codes and derate
3. Core crack inspection, runout correction and oil gallery cleaning, avoids alignment defects of simple rebuilt cores
4. Core return available for reman unit, lower ownership cost for fleet and mining overhauls

FAQ 

Q: What faults will happen if the reman coating wears or peels?
A: Reduced valve lift, poor gas exchange, power loss and higher fuel consumption with valve train noise, frequent engine derate.

Q: Can 20R-1145 replace a camshaft for 3406E?
A: No. ACERT has different valve lift and timing, interchange will cause abnormal combustion and engine failure.

Q: Do I need to set valve lash for this reman C15 camshaft?
A: Hydraulic tappets self-compensate lash. No manual adjustment needed, focus on timing and noise check after break-in.

Q: What risk if I reuse old cam bearings?
A: Worn out-of-round bearings create uneven clearance and abrade the cam coating rapidly, leading to premature reman unit failure.

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