Zetor 25A VS Challenger MT545 specs comparison

Zetor 25A

General Infos

Make	Zetor
Model	25A
Country	Czech republic
Production	From 1949  Until 1961
Price	-
Tractor type	Standard tread tractor
Fuel	diesel
Service repair manual	Zetor 25A Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	11.25-24
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4026 lbs or 1826 kg
Length	126 inches [320 cm]
Width	-
Height	-
Wheelbase	74.8 inches [189 cm]
Ground clearance	-
Turning radius	-
Rear tread size	47.2 to 59.1 inches
Front tread size	47.2 to 59.1 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	126.8 ci or 2.1 L
Cylinders	2 cylinders
Engine power	25 hp or 18.6 kW
Engine RPM	1800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	11.9 gal or 45.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Zetor 25A Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	150 amps
Cold Amps	-
Ground force	negative
Charging system	generator
Charging Volts	-
Charging Amps	12.5 amps

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	6 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	-
Cabin type	Open operator station
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	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	535@1600 (rpm)
PTO Clutch	-
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

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

Challenger MT545

General Infos

Make	Challenger
Model	MT545
Country	United states
Production	From 2002  Until 2003
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT545 Manual

Dimensions, sizes and tires

AG front tires	11.00-16 (2WD)
AG rear tires	208R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	10082 lbs or 4573 kg
Length	179 inches [454 cm]
Width	88 inches [223 cm]
Height	109 inches [276 cm]
Wheelbase	108.3 inches [275 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	365 ci or 6.0 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	59.4 gal or 224.8 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT545 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	AutoPower IV
Trans type	partial power shift
Trans gears	32 forward and reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab optional with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center pressure flow compensated
Valves	2 to 4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	28 gpm or 106.0 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	113.6 hp or 84.7 kW
Fuel consumption	7.7 gal/hour or 29.1 l/hour
Pulling power	10,925 lbs or 4955 kg

Power take-off (PTO) specs

Claimed power	120 hp or 89.5 kW
Real power	126.2 hp or 94.1 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	7.2 gal/hour or 27.3 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	9000 lbs or 4082 kg
Front hitch	-
Front hitch lift	-

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