Diesel 12-speed 4WD October 22 - 29, 1979 Link: Nebraska Tractor Test 1330 file PTO performance Drawbar performance Gear 8 used for power test Gear 1I used for pull test
hydraulic, front, rear or four-wheel crab steering
Brakes
hydraulic dry disc
Cab
Silent Guardian cab standard with air-conditioning
Transmission
12-speed
HYDRAULICS
Type
closed center PFC
Pressure
2250psi / 155.1bar
Valves
2 to 4
Pump flow
24gpm / 90.8lpm
Total flow
31gpm / 117.3lpm
TRACTOR HITCH
Rear Type
III
Rear lift (at 24
12,750lbs / 5783kg
POWER TAKE-OFF (PTO)
Rear PTO
independent
Rear RPM
1000
J.I. CASE 4890 TIRES
Ag front
20.8-34
Ag rear
20.8-34 / 23.1-30 / 24.5-32 / 30.5-32
DIMENSIONS
Wheelbase
110inches / 279cm
Length
243inches / 617cm
Width
99inches / 251cm
Operating weight
25,750lbs / 11680kg
Ballasted weight
28,460lbs / 12909kg
Ground clearance
18inches / 45cm
Front tread
74 to 94inches / 187to 238cm
Rear tread
74 to 94inches / 187to 238cm
DIMENSIONS & TIRES
Wheelbase
110inches / 279cm
Weight
25,750lbs / 11680kg
Front tire
18.4-34
Rear tire
18.4-34
ELECTRICAL
Ground
negative
Charging system
alternator
Charging amps
72
Battery volts
12
About J.I. Case Tractor
The J.I. Case 4890 tractor is part of the 4WD 90 Series of tractors. The 4890 is a Four-wheel Drive 4WD Tractors type, that is used mainly in Agriculture Tractors. The 4890 tractor is powered by a engine. This configuration boosts real-world usage.