Zetor Proxima 8421 VS Challenger MT455 specs comparison

Zetor Proxima 8421

General Infos

Make	Zetor
Model	Proxima 8421
Country	Czech republic
Production	From 2004  Until 2007
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Zetor Proxima 8421 Manual

Dimensions, sizes and tires

AG front tires	9.00-16
AG rear tires	16.9-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7440 lbs or 3374 kg
Length	152 inches [386 cm]
Width	73 inches [185 cm]
Height	102 inches [259 cm]
Wheelbase	90 inches [228 cm]
Ground clearance	22 inches [55 cm]
Turning radius	-
Rear tread size	56 to 71 inches
Front tread size	56 to 71 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	254 ci or 4.2 L
Cylinders	4 cylinders
Engine power	84 hp or 62.6 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	20 gal or 75.7 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Zetor Proxima 8421 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	mechanical shuttle
Trans gears	12 forward and reverse
Clutch system	304.8mm hydraulic cerametallic disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	-
Cabin type	Two-post folding ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	3
Pump flow	14 gpm or 53.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	18 gpm or 68.1 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	78 hp or 58.2 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
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/I
Rear hitch lift	6830 lbs or 3098 kg
Front hitch	-
Front hitch lift	-

Challenger MT455

General Infos

Make	Challenger
Model	MT455
Country	United states
Production	From 2002  Until 2004
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Challenger MT455 Manual

Dimensions, sizes and tires

AG front tires	14.9R34
AG rear tires	18.4R34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8,390 lbs or 3805 kg
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	243 ci or 4.0 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT455 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	-
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	-
Trans gears	12 forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	wet disc
Cabin type	ROPS
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	66.0 hp or 49.2 kW
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	77.9 hp or 58.1 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.8 gal/hour or 18.2 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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