Challenger MT285B VS Muir-Hill 121 specs comparison

Challenger MT285B

General Infos

Make	Challenger
Model	MT285B
Country	United states
Production	From 2005  Until 2008
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	Challenger MT285B Manual

Dimensions, sizes and tires

AG front tires	9.5-16
AG rear tires	16.9-24
Lawn front tires	27x10.50-15
Lawn rear tires	27x10.50-15
Indus front tires	10-16.5
Indus rear tires	17.5L-24
Weight	3660 lbs or 1660 kg
Length	132.7 inches [337 cm]
Width	65.4 inches [166 cm]
Height	89.1 inches [226 cm]
Wheelbase	76 inches [193 cm]
Ground clearance	14.8 inches [37 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	134.1 ci or 2.2 L
Cylinders	4 cylinders
Engine power	44.5 hp or 33.2 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	indirect injection
Fuel tank size	13.2 gal or 50.0 L
Oil capacity	8.5 qts or 8.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT285B Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	710
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	40 amps

Clutch and gearbox specs

Trans system	PowerShuttle
Trans type	partially synchronized with power shuttle
Trans gears	12 forward and reverse
Clutch system	dry main, wet shuttle

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	spur gear
Steering	power
Braking system	wet disc
Cabin type	Two-post foldable ROPS
Differentiel lock	mechanical rear

Hydraulics specifications

System	open center
Valves	2
Pump flow	10.5 gpm or 39.7 lpm
SVC flow	-
Steering flow	4.4 gpm or 16.7 lpm
Tank capacity	10 gal or 37.9 L
Hydraulic pressure	2276 psi or 156.9 bar
Max flow	14.9 gpm or 56.4 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	36.5 hp or 27.2 kW
Real power	-
Engine @RPM	-
PTO Clutch	electro-hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	independent
Mid PTO RPM	2000 (rpm)
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and response control
Rear hitch	I
Rear hitch lift	3483 lbs or 1579 kg
Front hitch	-
Front hitch lift	-

Muir-Hill 121

General Infos

Make	Muir-Hill
Model	121
Country	England
Production	From 1972  Until 1983
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Muir-Hill 121 Manual

Dimensions, sizes and tires

AG front tires	13.6/12x38
AG rear tires	13.6/12x38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	10700 lbs or 4853 kg
Length	156 inches [396 cm]
Width	82 inches [208 cm]
Height	-
Wheelbase	75 inches [190 cm]
Ground clearance	-
Turning radius	-
Rear tread size	64 to 80 inches
Front tread size	64 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	380 ci or 6.2 L
Cylinders	6 cylinders
Engine power	120 hp or 89.5 kW
Engine RPM	2500 (rpm)
Torque	280 lb-ft or 379.7 Nm
Torque RPM	1600 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	48 gal or 181.7 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Muir-Hill 121 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	128 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 2 reverse
Clutch system	355.6mm dry disc

Cabine and mechanical specs

Wheel drive	4x4 4WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	11 gpm or 41.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2600 psi or 179.3 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	90 hp or 67.1 kW
Real power	-
Engine @RPM	540@1750 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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