Challenger MT855

Last Updated: June 2024

Overview

The Challenger MT855 is a robust and efficient engine. It has an inline configuration with 6 cylinders. The 893ci engine is liquid-cooled, ensuring that it maintains a safe temperature during operation. This diesel engine is turbocharged, enhancing its power output without significantly increasing its size or weight. The engine operates at a maximum of 2100 RPM with an engine power output of 450 horsepower. Its compression ratio of 15.8:1 is showcased by the dual paper elements air cleaner.

Key Specifications

Power Output: 450

Transmission: Full power shift

Operating Weight: 41000

Fuel Type: Diesel

Technical Specifications

Engine

Manufacturer: Caterpillar
Model: C16
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged
Cylinders: 6
Displacement (ci): 893
Bore (in): 5.402
Stroke (in): 6.5
Rated RPM: 2100
Power Output (hp): 450

Transmission

Type: Full power shift
Forward Gears: 16
Reverse Gears: 4
Total Gears: -

Dimensions

Length (in): 265.9
Width (in): 142.1
Height (in): 138.7
Operating Weight (lb): 41000

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: -
Drive Type: -
Steering Type: -
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: -
Hitch Type: IVN (need clarification)
Hitch Category: -
Hitch Position: Rear
Hitch Capacity (lb): -
Operator Station Type: -
Starter Type: Electric Starter (12 volts)
Brake Type: Hydraulic wet disc
Hydraulic System Type: Closed center load sensing

Test Results

Nebraska Tractor Test Laboratory - Test Date: October 9 to November 15, 2002

Maximum Power and Fuel Consumption

Rated Engine Speed (PTO speed—1060 rpm): 401.36 HP (299.29 kW) at 2100 rpm
Standard Power Take-off Speed (PTO speed - 1000 rpm): 428.30 HP (319.39 kW) at 1979 rpm
Maximum Power (2 hours): 452.31 HP (337.28 kW) at 1700 rpm
Fuel Consumption at Maximum Power: 23.26 Gal/hr (88.04 l/h) with a fuel efficiency of 0.361 lb/hp.hr (0.220 kg/kW.h) and 19.45 Hp.hr/gal (3.83 kW.h/l)

Drawbar Performance (Unballasted)

Maximum Power—6th Gear:
Power: 346.83 HP (258.63 kW)
Drawbar Pull: 29166 lbs (129.73 kN)
Speed: 4.46 mph (7.18 km/h)
Fuel Consumption: 0.458 lb/hp.hr (0.278 kg/kW.h) with a fuel efficiency of 15.34 Hp.hr/gal (3.02 kW.h/l)
75% of Pull at Maximum Power—6th Gear:
Power: 275.81 HP (205.67 kW)
Drawbar Pull: 21836 lbs (97.13 kN)
Speed: 4.74 mph (7.62 km/h)
Fuel Consumption: 0.502 lb/hp.hr (0.306 kg/kW.h) with a fuel efficiency of 13.97 Hp.hr/gal (2.75 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1581 lb.-ft. (2144 Nm) at 1200 rpm
Torque Rise: 57.5% and 40% at 1700 rpm

Three Point Hitch Performance

Maximum Force Exerted: 20936 lbs (93.1 kN)
Pump Delivery Rate (with high flow option):
At minimum pressure and rated engine speed: 45.6 GPM (172.6 l/min) | 60.9 GPM (230.5 l/min)
At maximum hydraulic power: 42.2 GPM (159.7 l/min) | 54.6 GPM (206.8 l/min)
Hydraulic Power: 67.9 HP (50.6 kW) | 85.2 HP (63.5 kW)

Sound Level

At no load in 6th gear: 76.4 dB(A)

NTTL.(2002).Nebraska OECD Tractor Test 1814 for Challenger MT855 Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://digitalcommons.unl.edu/tractormuseumlit/351