Tractor · 2002Unverified
Challenger MT445
Challenger MT445 — MT400 Series · 70 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
70 hp
Max power
44.9 kW
Weight
6211 to 8170 pounds
Hover a source tag to verify
Overview
ManufacturerChallenger (a part of AGCO)Reference
Utility tractorReference
Built in EnglandReference
The Challenger MT445 is similar to the Massey Ferguson 4233 and 4335.Reference
Two- or four-wheel driveReference
Power steeringReference
Hydraulic wet disc brakesReference
Two-post folding ROPS. Cab available with air-conditioning.Reference
Engine
Perkins 4.2L 4-cyl dieselReference
ROPS Fuel tank110.1 LReference
Cab Fuel tank128.7 LReference
Cab Fuel tank189.2 LReference
Drawbar (tested)44.9 kWReference
Perkins 3054BReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement4.2 LReference
Bore/Stroke103 x 127 mmReference
Air cleanerdual paper elementsReference
Pre-heatingthermostartReference
Compression17.3:1Reference
Rated RPM2200Reference
Starter volts12Reference
Power at rated engine speed52.0 kWReference
Max power44.9 kWReference
Transmission
24-speed power shuttleReference
12-speed syncromeshReference
12-speed mechanical shuttleReference
Typepower shuttleReference
Gears24 forward and reverseReference
Clutchwet discReference
TypesyncromeshReference
Gears12 forward and 4 reverseReference
Typemechanical shuttleReference
Gears12 forward and reverseReference
PTO & Hydraulics
PTO (claimed)48.5 kWReference
PTO (tested)52.0 kWReference
Typeopen centerReference
Pressure210.0 barReference
Valves2 to 4Reference
SCV flow37.9 lpmReference
Total flow94.6 lpmReference
Rear TypeIIReference
Controlelectronic draft controlReference
Rear lift (at 24"/610mm)1859 kgReference
Rear lift (at 24"/610mm)2812 kgReference
Rear PTOindependentReference
Rear PTO Type540/1000Reference
Power at rated PTO speed50.7 kWReference
Dimensions
Wheelbase236 cmReference
Weight6211 to 8170 poundsReference
Front tire12.4R24Reference
Rear tire13.6R38Reference
Ag front12.4R24Reference
Ag rear13.6R38Reference
Length414 cmReference
Width195 cmReference
Height (ROPS)261 cmReference
Height (Folded ROPS)198 cmReference
Height (cab)254 cmReference
2WD ROPS2817 kgReference
4WD ROPS2969 kgReference
2WD Cab3455 kgReference
4WD Cab3705 kgReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Battery volts12Reference
Test results
Diesel 12-speed 4WDOctober 2000 - December 2000, Link: OCED Tractor Test 1950 fileReference
PTO performanceReference
Fuel use16.3 l/hourReference
Fuel use15.1 l/hourReference
Drawbar performanceReference
Gear 3M used for power test.Reference
Max pull3161 kgReference
Gear 2L used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.