Zetor 7745 VS Challenger MT545B specs comparison

Zetor 7745

General Infos

Make	Zetor
Model	7745
Country	Czech republic
Production	From 1988  Until 1992
Price	20500  USD
Tractor type	-
Fuel	diesel
Service repair manual	Zetor 7745 Manual

Dimensions, sizes and tires

AG front tires	11x24
AG rear tires	12x36
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7900 lbs or 3583 kg
Length	149.6 inches [379 cm]
Width	78 inches [198 cm]
Height	104.3 inches [264 cm]
Wheelbase	88.9 inches [225 cm]
Ground clearance	15 inches [38 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	239.3 ci or 3.9 L
Cylinders	4 cylinders
Engine power	81 hp or 60.4 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	18.5 gal or 70.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Zetor 7745 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	-
Trans type	partially synchronized
Trans gears	10 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power assist
Braking system	differential hydraulic dry disc
Cabin type	-
Differentiel lock	-

Hydraulics specifications

System	open
Valves	2
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2,321 psi or 160.0 bar
Max flow	7.9 gpm or 29.9 lpm

Drawbar specifications

Drawbar type	-
Claimed power	58 hp or 43.3 kW
Drawbar horsepower	55.87 hp or 41.7 kW
Fuel consumption	-
Pulling power	7,484 lbs or 3394 kg

Power take-off (PTO) specs

Claimed power	66 hp or 49.2 kW
Real power	62.17 hp or 46.4 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.7 gal/hour or 14.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	5300 lbs or 2404 kg
Front hitch	II
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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