Tractor detail
Challenger MT851
Specs are assembled from available database fields and should be verified against the exact tractor before purchase.
Data source & freshness
- Last updated
- May 10, 2026
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Manufacturer: Challenger
Actual manufacturer: Challenger (a part of AGCO)
Model: MT851
Series: Not available
Type: farm
Subtype: Agricultural Crawler tractor
Production status: Current
Production years: 2021
Built in: Not available
Model Specs
Weight range: 42000 lbs
Fuel tank: 350 gal / 1324.8 L
DEF capacity: 35.7 gal / 135.1 L
Engine
Power: 504.2 hp
Fuel type: diesel
Cylinders: 6
Displacement: 933.70 ci / 15.300 L
Torque: 1844 lb·ft / 2500.5 Nm
Torque RPM: 1450 rpm
Dimensions & Weight
Operating weight: Not available
Length: 675 cm
Width: 294 cm
Height: 375 cm
Height (ROPS): Not available
Height (cab): Not available
Wheelbase: 299 cm
Ground clearance: 35 cm
Front tire: Not available
Rear tire: Not available
Transmission
Type: continuously-variable transmission
Name: Accu-VT
Gears: infinite forward and reverse
Forward gears: Not available
Reverse gears: Not available
Ranges: Not available
PTO
Claimed power: Not available / Not available
Rear PTO type: independent
Rear PTO clutch: Not available
Rear PTO shaft: 1000/1000E
Rear PTO RPM: Not available
Front PTO type: Not available
Front PTO clutch: Not available
Front PTO shaft: Not available
Front PTO RPM: Not available
Hydraulics
Pump flow: 58.1 gpm / 219.9 lpm
Total flow: Not available / Not available
Rear valves: Not available
Mid valves: Not available
System: type: closed center pressure-flow compensated; pressure: 2900 psi | 200.0 bar; pump flow: 58.1 gpm | 219.9 lpm
Mechanical
Final drives: Not available
Differential lock: Not available
Steering: Not available
Brakes: Not available
Cab: Cab standard with air-conditioning.
Electrical
Ground: negative
Charging system: alternator
Charging amps: 325 A
Battery volts: 12 V