Ursus 4512 VS RK Tractors RK55H specs comparison

Ursus 4512

General Infos

Make	Ursus
Model	4512
Country	Poland
Production	From 1988  Until 2011
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Ursus 4512 Manual

Dimensions, sizes and tires

AG front tires	7.5-16
AG rear tires	16.9R30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5401 lbs or 2449 kg
Length	148.6 inches [377 cm]
Width	76 inches [193 cm]
Height	99.2 inches [251 cm]
Wheelbase	88.8 inches [225 cm]
Ground clearance	-
Turning radius	-
Rear tread size	59.1 to 81.2 inches
Front tread size	55.1 to 70.9 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	235.9 ci or 3.9 L
Cylinders	4 cylinders
Engine power	66 hp or 49.2 kW
Engine RPM	2000 (rpm)
Torque	180.7 lb-ft or 245.0 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	21.1 gal or 79.9 L
Oil capacity	7.4 qts or 7.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Ursus 4512 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	120 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	-
Trans type	creeper
Trans gears	12 forward and 3 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	mechanical wet disc
Cabin type	Cab optional with available heater
Differentiel lock	mechanical rear

Hydraulics specifications

System	-
Valves	-
Pump flow	6.9 gpm or 26.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	11.6 gal or 43.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	59 hp or 44.0 kW
Real power	-
Engine @RPM	540@1686 (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	position and draft control
Rear hitch	II
Rear hitch lift	5291 lbs or 2399 kg
Front hitch	-
Front hitch lift	-

RK Tractors RK55H

General Infos

Make	RK Tractors
Model	RK55H
Country	United states
Production	From 2017
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	RK Tractors RK55H Manual

Dimensions, sizes and tires

AG front tires	9.5x16
AG rear tires	14.9x24
Lawn front tires	12x16.5
Lawn rear tires	12x16.5
Indus front tires	12x16.5
Indus rear tires	16.9x24
Weight	3814 lbs or 1730 kg
Length	141.3 inches [358 cm]
Width	63.8 inches [162 cm]
Height	102.1 inches [259 cm]
Wheelbase	76.2 inches [193 cm]
Ground clearance	13.8 inches [35 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	127.6 ci or 2.1 L
Cylinders	4 cylinders
Engine power	55.1 hp or 41.1 kW
Engine RPM	2800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	common rail direct injection
Fuel tank size	17 gal or 64.3 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	RK Tractors RK55H Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	70 amps

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite (3-range) forward and reverse
Clutch system	-

Cabine and mechanical specs

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

Hydraulics specifications

System	-
Valves	2
Pump flow	9.5 gpm or 36.0 lpm
SVC flow	-
Steering flow	5 gpm or 18.9 lpm
Tank capacity	-
Hydraulic pressure	-
Max flow	14.5 gpm or 54.9 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	42.2 hp or 31.5 kW
Real power	-
Engine @RPM	-
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	Optional
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	I
Rear hitch lift	3314 lbs or 1503 kg
Front hitch	-
Front hitch lift	-

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