Challenger MT855E

Manufacturer AGCO
Make Challenger
Industry Agriculture
Category Tractors
Subcategory Track & Articulated Tractors
Class Track Tractors
Location of Assembly Jackson, Minnesota USA
ISO Horsepower (Gross Power)
hp 490
Rated Engine rpm 2100
Max Torque (ft-lb) @ Engine rpm 1740 @ 1500 rpm
ECE R24 Horsepower (Net Power)
Maximum hp @ Engine rpm 529
PTO Horsepower
hp 400
Rated Engine rpm 2100
Fuel Consumption
Official Test Data TBD
Model AP 168-4
Engine Emission Level Tier 4Final
Emissions Treatment Method SCR + cEGR
# of Cylinders 12
Valves per Cylinder 4
Total Displacement (CID) 1025
Cylinder Liners Wet, w/ mid-liner support
Aspiration/Charge Cooling 2 Series (2) Turbocharged eWastegate
Starting Aid Grid Heater
Cooling System
Type of pump Liquid
Fan type Electronic controlled, Viscous Drive
Air Intake System
Intake Location (aspiration location) Front hood
Air Cleaner Type Dual Powercore Nanofiber
Exhaust System Treatment
Type Vertical
Muffler Location Right Side A Post
Fuel Injection System
Injection Pump Type Bosch
Fuel Filters (#/microns) Primary (10 micron) Secondary (2 micron)
Electrical System
Starting and Charging Voltage 12V
Alternator (Std/Opt) 2 – 150
Battery Amperage V/ Ah/ CCA 4 – 12v/1000 CCA
Standard Transmission
Type Powershift
Manufacturers Description Caterpillar Powershift
Number of Forward/Reverse Gears 16F/4R
Max Speed Forward @ rpm /Reverse (mph) 24.6 @ 2100/8.8
Full Shuttle Reverser (yes/no) Yes
Power Take-Off
PTO Type Independent PTO Optional
PTO Speed @ engine RPM
1000 rpm (21 spline shaft) 1000 rpm @ 1980 rpm (20 Spline)
Steering Hydraulic System
Steering Type Caterpillar Differential Steering
Rear Axle & Final Drive
Rear Axle Type Bar Axle
Differential Lock Type NA/Differential Steering
Final Drive Type Inboard, Double Reduction
4WD Front Axle
Axle Type Hardbar
Differential Lock Type NA/Differential Steering
Suspended Front Axle
Type 2 Marsh Mellow® Springs w/ Suspended Midwheels
Service Brakes Type Wet Disc
Parking Brake Type Transmission lever controlled
Hydraulic Trailer Brakes (std/opt) Optional
Pneumatic Trailer Brakes (std/opt) Optional
Idler Diameter (in) 37
Number of Midwheels 4
Midwheel Diameter (in) 14
Drive Wheel Diameter (in) 61
Track Width (in) 18, 27.5, 30, 36
System Type Closed Center, Pressure Flow Compensated
Total Pump Flow (gpm) 58
Optional Pump Flow (gpm) 85
Operating Pressure (psi) 2900
Remote Control Valves Available (std/opt) 4 St., 5 & 6 Opt
Three Point  Hitch
ASAE Hitch Category Cat 3/4N or Cat 4
Lift Capacity @ 24″ (lb) 19500
Front 3 Point Hitch (yes or no) No
Drawbar Type Cat 5 with Cat 4 adapter
Drawbar Vertical Load, Static Max (lb) 12500
Drawbar Ground Clearance (in) 14.4
Internal Volume (ft3) 108
Glass Area (ft2) 67.5
Decelerator/Accelerator Pedal (std/opt) Optional
Standard Seat
Type Air Suspension
Type of Suspension Air
Optional Seat
Type Vibration Reduction/Leather
Type of Gauges Digital/Analog
Electrical Connectors
Trailer Plug 7 Pin
In-Cab 12V Power Plug 9 auxiliary 12V power outlets
Implement Connector 9 pin ISO connector
Track, 4WD Dimensions
Wheelbase (in) 118
Overall Length w/ Front Weights (in) 266
Min Overall Shipping Width (in) 141
Height Over Cab (in) 143
Front Wheel Track, 4WD, min-max (in) 90-128
Rear Wheel Track, 4WD, min-max (in) 90-128
Turn Radius (ft-in) @ Tire Size 0 (Counter Rotates)
Approximate Shipping Weight (lb) 42596
Fuel Tank-Standard (g) 270
Fuel Tank – Optional (g) 330
DEF Tank (g) 30.5