Specifications, Service and Repair of Farm and Lawn Tractors

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J.I. Case 990 Technical Data

Case 990 Engine Specifications

Engine Model ................ David Brown
Engine Type ................ 4-Stroke, four-cylinder diesel
Number of Cylinders ................ 4
Displacement, cu in (L) ................ 195 (3.20)
Aspiration ................ Natural
Engine Bore, in (mm) ................ 3.94 (100.0)
Engine Stroke, in (mm) ................ 4.00 (102.0)
Rated Engine Power, hp (kW) ................ 58.0 (43.0)
Rated Engine Speed, rpm ................ 2200
Compression ................ 17:1
Firing Order ................ 1-2-4-3
Fuel System ................ Injection pump
Lubricating Type ................ Full flow
Air Cleaner ................ Oil bath
Fuel Tank Capacity, gal (L) ................ 17.9 (67.8)
Oil Capacity, qts (L) ................ 7.9 (7.5)
Coolant Capacity, qts (L) ................ 14.8 (14.0)
Electrical System Rating, Volts ................ 12
Charging System ................ Alternator

Case 990 Power Take-Off

PTO Operational Type ................ Transmission/Live
PTO Horsepower, hp (kW) ................ 53.0 (39.4)
PTO Clutch ................ Dry disc
PTO Speed, rpm ................ 540/1000
PTO / Engine Speed, rpm ................ 540/1828
PTO / Engine Speed, rpm ................ 1000/2000

Transmission Configuration

Transmission Type ................ Partially synchronized
Gearbox Type ................ 12F/4R
Number of Forward Gears ................ 12
Number of Reverse Gears ................ 4
Clutch Type ................ Dry disc
Oil Capacity, qts (L) ................ 28.5 (27.0)
Maximum Forward Speed, mph (kph) ................ 16.4 (26.4)
Maximum Reverse Speed, mph (kph) ................ 9.4 (15.1)

Case 990 Wheels and Tires

Drive Wheels ................ 2WD/4WD
Steering Configuration ................ Front steer
Steering System ................ Hydrostatic power
Brakes Type ................ Hydraulic drum
Front Tire Size (2WD) ................ 6.00-19
Rear Tire Size (2WD) ................ 12.4-36
Front Tire Size (4WD) ................ 9.50-24
Rear Tire Size (4WD) ................ 12.4-36
Front Track Width, in (mm) ................ 52-72 (1320-1820)
Rear Track Width, in (mm) ................ 52-76 (1320-1930)

Case 990 Hydraulic System

Hydraulic System Type ................ Open Center
Hydraulic Pump Type ................ Gear
Implement Pump Flow, gpm (Lpm) ................ 7.4 (28.0)
Hydraulic Pressure, Bar (psi) ................ 138 (2000)
Hydraulic Fluid Capacity, gal (L) ................ 7.1 (27.0)
3-Point Hitch Category ................ 2/1
Standard Lift Capacity at lift pin, lb (kg) ................ 2000 (905)
Optional Lift Capacity at lift pin, lb (kg) ................ 4250 (1925)

Dimensions and Weight

Wheelbase, in (mm) ................ 82 (2080)
Length, in (mm) ................ 129 (3270)
Height (Deluxe Cab), in (mm) ................ 104 (2640)
Height (Q-Cab), in (mm) ................ 99 (2510)
Overall Width, in (mm) ................ 67 (1700)
Ground Clearance (2WD), in (mm) ................ 21 (530)
Ground Clearance (4WD), in (mm) ................ 15 (380)
Weight (2WD), lb (kg) ................ 5760 (2610)
Weight (4WD), lb (kg) ................ 6700 (3040)

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J.I. CASE TRACTORS SPECIFICATIONS

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INTERNATIONAL HARVESTER TRACTORS SPECS

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