Yanmar AC-18 VS J.I. Case 4890 specs comparison

Yanmar AC-18

General Infos

Make	Yanmar
Model	AC-18
Country	Japan
Production	From 2002  Until 2007
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Yanmar AC-18 Manual

Dimensions, sizes and tires

AG front tires	tracks
AG rear tires	tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	1422 lbs or 645 kg
Length	87 inches [220 cm]
Width	47.2 inches [119 cm]
Height	69.5 inches [176 cm]
Wheelbase	-
Ground clearance	13.4 inches [34 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	61.4 ci or 1.0 L
Cylinders	3 cylinders
Engine power	18 hp or 13.4 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	4.8 gal or 18.2 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Yanmar AC-18 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite (2-range) forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	-
Braking system	-
Cabin type	Two-post 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	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO 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	-

J.I. Case 4890

General Infos

Make	J.I. Case
Model	4890
Country	Unites states
Production	From 1979  Until 1983
Price	100,000  USD
Tractor type	-
Fuel	-
Service repair manual	J.I. Case 4890 Manual

Dimensions, sizes and tires

AG front tires	18.4-34
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	-
Length	243 inches 617 cm
Width	99 inches 251 cm
Height	-
Wheelbase	110 inches 279 cm
Ground clearance	18 inches 45 cm
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	-
Cylinders	6 cylinders
Engine power	300 hp 223.7 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	-
Fuel injection	-
Fuel tank size	150 gal 567.8 L
Oil capacity	28.4 qts 26.9 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	J.I. Case 4890 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	72 amps

Clutch and gearbox specs

Trans system	-
Trans type	-
Trans gears	12 forward and 4 reverse
Clutch system	hydraulic dry disc

Cabine and mechanical specs

Wheel drive	4x4 4WD
Final drive	-
Steering	hydraulic, front, rear or four-wheel crab steering
Braking system	hydraulic dry disc
Cabin type	Silent Guardian standard with A/C
Differentiel lock	-

Hydraulics specifications

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

Drawbar specifications

Drawbar type	-
Claimed power	224 hp 167.0 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	253 hp 188.7 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	12,750 lbs 5783 kg
Front hitch	-
Front hitch lift	-

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