Cummins, 8.3L - 6C, Long Block Supreme, Off Highway CUMM6COFFB


Contact with ESN: (877) 599-4806,

Part Base:
Price Match Guarantee
Core Deposit:
Refundable Core Deposit
Industrail/Construction, Yard Tractor
Long Block Supreme
On/Off Highway:
Off Highway
Model Years:

Product Overview

Cummins 6C, 185-275hp, 1996-02, Applications: Capacity, Case, Doosan/IR, Kalmar/Ottawa, Komatsu, Tiger Cat


Cummins 6C MechSupreme - 1996-02. OE Reference: DR5015RX, Long Block Supreme, Industrial, 1991-95, Front Sump Oil Pan, Un-notched Cylinder Head, A or MW Pump, Low Mount PTO, Reinforced Block, CPL 602, 603, 753, 828, 955, 985.

CPL Listing:

CPL 602, CPL 603, CPL 753, CPL 819, CPL 828, CPL 955, CPL 985

Important Configuration Information:

The OE and CPL numbers are listed for reference only. The actual application is determined by the engine serial number.

About This Engine:

A solid, high-torque, low-RPM six-cylinder engine, the Cummins C-Series is found in many over-the-road and industrial applications. Pilot Engines offers engines specific to your applications--The goal is to provide an engine with little to no modification required at install ensuring you are back on the road faster.

Vehicle/Equipment Types:

The Cummins 6C/8.3L engine is found in many on-highway (Line haul & vocational) and off-highway industrial applications.
On-road vehicles include: Ford, Peterbilt, Kenworth, Volvo, Bluebird, Volvo, Thomas Bus, and Freightliner.
Industrial equipment types include: Construction, Agricultural, Stationary, Mining, and Forestry.
In many instances, Pilot Engines can offer a custom engine remanufactured for your vehicle or equipment.


Pilot Engines carries the 6C/8.3L in the following configurations: Dyno-Tested Complete Long Block Supreme and Long Block Supreme.


Pilot Engines warrants to the original buyer that every product will be free from proven defects in material and workmanship. Pilot Engines warranty obligation will be limited, at our opinion, to repair or replace with another rebuilt engine. All warranty work must be preauthorized by Pilot Engines. To activate the warranty, all engines must be registered within 30 days from shipment. Complete Long Block Supreme engines carry a full 2 year/unlimited mile warranty. The second year covers the long block only. The long block engines carry a 1 year/unlimited mile warranty. Off-Road applications are covered for 1 year/2000 hours. Some restrictions apply; see limited warranty details or call for more information.

Dyno Test:

All of Reviva's Complete Long Block Supreme engines are 100% dyno tested prior to shipment. Computer controls ensure that each engine dyno test is conducted under standard, repeatable settings. Every engine is run through a warm up cycle; three separate segments simulating light, medium and heavy throttle conditions; maximum torque and horsepower tests; both high and low idle tests; and a black light leak detection test with dyed oil, coolant and fuel. Reviva also tests oil and coolant temperature; monitors crankcase pressure, oil and turbo boost pressures; and tests fuel consumption.