Compare/Challenger MT851 vs Challenger MT855E

Challenger MT851 vs Challenger MT855E

Verdict: Challenger MT851 vs Challenger MT855E

The Challenger MT851 and the Challenger MT855E are both tractors — here is how they stack up on the figures that matter. Challenger MT851 leads on rated power with 504 hp against 490 hp. Challenger MT851 is the lighter machine (19,051 kg vs 19,321 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Challenger MT851 holds more fuel (1324.8 L vs 1249.0 L) for longer stints between fills. Challenger MT851 is the newer design (2021 vs 2014). In short: choose the Challenger MT851 for outright pulling power, or the Challenger MT855E if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Challenger

Fit score

Best match

Clear

Challenger

Fit score

Best match

Clear

Rated power

504 hp

490 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Challenger (a part of AGCO)Reference

liquid-cooled inlineReference

Gear 3 used for pull test.Reference

Drive

crawlerReference

Steering

—

power differentialReference

Variants

1151 Vario MT

similar Fendt modelReference

—

Engine

Fuel tank

1324.8 LReference

1249.0 LReference

Exhaust fluid (DEF)

135.1 LReference

115.4 LReference

Engine (gross)

376.0 kWReference

365.4 kWReference

Displacement

15.3 LReference

16.8 LReference

Bore/Stroke

138 x 170 mmReference

111 x 145 mmReference

Rated Power (gross)

376.0 kWReference

—

Rated RPM

1730Reference

—

Torque

2500.5 NmReference

2359.4 NmReference

Torque RPM

1450Reference

1500Reference

Starter

electricReference

Starter volts

24Reference

12Reference

Oil change

500 hReference

—

Drawbar (tested)

—

268.7 kWReference

Emissions

—

Tier IVReference

Emission control

—

selective catalytic reduction (SCR)Reference

Power (gross)

—

365.4 kWReference

Maximum Power

—

394.5 kWReference

Max power

—

268.7 kWReference

Power at rated engine speed

—

305.1 kWReference

Fuel Type

—

dieselReference

No of Cylinders

—

12 cylinderReference

Emissions compliance

—

Tier IV | selective catalytic reduction (SCR)Reference

Engine torque at rated speed

—

789.3 kgReference

Bore and stroke

—

4.370x5.709 inchesReference

Cooling system

—

liquid-cooledReference

Transmission

Accu-VTReference

CaterpillarReference

Gears

infinite forward and reverseReference

16 forward and 4 reverseReference

Transmission Type

—

PowershiftReference

forward and reverse options

—

Caterpillar - 16R and 4RReference

Track Drive type

—

4WDReference

PTO & Hydraulics

Type

continuously-variable transmissionReference

full power shiftReference

Pressure

200.0 barReference

Rear valves

4 to 8Reference

—

Pump flow

439.8 lpmReference

321.7 lpmReference

Rear PTO

independentReference

Rear PTO Type

1000/1000EReference

1000 (1.75)Reference

PTO (claimed)

—

298.3 kWReference

PTO (tested)

—

338.2 kWReference

Valves

—

4 to 6Reference

SCV flow

—

136.3 lpmReference

Rear lift

—

8845 kgReference

Drawbar

—

Cat. 5Reference

Clutch

—

hydraulic wet discReference

Power at rated PTO speed

—

331.4 kWReference

Dimensions

Wheelbase

299 cmReference

—

Weight

19051 kgReference

19321 kgReference

Length

675 cmReference

—

Width

294 cmReference

91 cmReference

Height

375 cmReference

—

Max weight

26762 kgReference

—

Ground clearance

35 cmReference

—

Gauge

223 to 325 cmReference

228 to 325 cmReference

Front axle

—

BarReference

Shipping

—

19321 kgReference

Max Drawbar

—

5670 kgReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

325Reference

300 (2x 150)Reference

Batteries

3Reference

4Reference

Battery volts

12Reference

Battery CCA

—

1000Reference

Battery options

—

4Reference

Total cold cranking amps

—

1,000 CCAReference

Challenger MT855E Tracks

Capacities

Max capacity

—

25362 kgReference

Capacity

—

1,027.5 ciReference

Diesel exhaust fluid (DEF) tank

—

115.5 LReference

Test results

Fuel use

—

98.0 l/hourReference

Max pull

—

20483 kgReference

General

Make & Model

—

Challenger (a part of AGCO)Reference

Drawbar category

—

Cat. 4, Cat. 5Reference

Front Axle Type

—

BarReference

Country of manufacturer

—

USAReference

Hydraulics

Capacity Valves

—

48 valveReference

Hydraulics Type

—

closed center pressure flow compensatedReference

Maximum operating pressure

—

2,900 psiReference

Remote Valves

—

4 to 6 valvesReference

Rear Hitch maximum lift capacity

—

8,845 kgReference

Power

Rated Power

—

490 hpReference

PTO

PTO Power

—

400 hpReference

Rear PTO Power

—

AvailableReference

Rear PTO RPM

—

1,000 RPMReference

Dimensions & weight

Overall weight

—

19,321.2 kgReference

Track width

—

91.4 cmReference

Operator station

Cab Availability

—

AvailableReference

Cab Air conditioning, temperature differential

—

Cab standard with air-conditioningReference

Seat Suspension

—

AvailableReference

Steering & brakes

Steering type

—

power differentialReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.