Zetor 25K VS Challenger MT545B specs comparison

Zetor 25K

General Infos

Make	Zetor
Model	25K
Country	Czech republic
Production	From 1948  Until 1961
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Zetor 25K Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	9-36
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4310 lbs or 1955 kg
Length	126 inches [320 cm]
Width	-
Height	-
Wheelbase	74.8 inches [189 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	48.3 to 59.8 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 25K 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 MT545B

General Infos

Make	Challenger
Model	MT545B
Country	United states
Production	From 2004  Until 2011
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT545B Manual

Dimensions, sizes and tires

AG front tires	11.00-16 (2WD)
AG rear tires	580/70R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	11,052 lbs or 5013 kg
Length	168.5 inches [427 cm]
Width	81.1 inches [205 cm]
Height	112.8 inches [286 cm]
Wheelbase	112.1 inches [284 cm]
Ground clearance	-
Turning radius	-
Rear tread size	55.5 to 91 inches
Front tread size	64.1 to 83 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	365.2 ci or 6.0 L
Cylinders	6 cylinders
Engine power	143 hp or 106.6 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	71 gal or 268.7 L
Oil capacity	15.3 qts or 14.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT545B Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	420
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	120 amps

Clutch and gearbox specs

Trans system	TechStar CVT
Trans type	continuously variable transmission
Trans gears	infinite (2-range) forward and reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	inboard planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with heat and A/C
Differentiel lock	electro-hydraulic front and rear

Hydraulics specifications

System	closed center pressure flow compensating
Valves	2 to 4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	18.5 gal or 70.0 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	29 gpm or 109.8 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	100.4 hp or 74.9 kW
Fuel consumption	8.0 gal/hour or 30.3 l/hour
Pulling power	14,690 lbs or 6663 kg

Power take-off (PTO) specs

Claimed power	115 hp or 85.8 kW
Real power	124.6 hp or 92.9 kW
Engine @RPM	540@1980 (rpm)
PTO Clutch	electro-hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.0 gal/hour or 30.3 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II/III
Rear hitch lift	9,391 lbs or 4259 kg
Front hitch	optional
Front hitch lift	5,500 lbs or 2494 kg

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