The J.I. Case 4690 is a 4WD four-wheel drive tractor from the 90 series. This tractor was manufactured by J.I. Case in Racine, Wisconsin, USA from 1979 to 1983. The J.I. Case 4690 is equipped with a 8.3 L (504.0 cu·in) six-cylinder diesel engine and a three-speed powershift transmission with 12 forward and 4 reverse gears.
The J.I. Case 4690 four-wheel drive used the Case engine. It is a 8.3 L, 8,259 cm2, (504.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 117.0 mm (4.61 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 15.8:1. This engine produced 264.7 PS (194.6 kW; 261.0 HP) at 2,200 rpm of output power.
The J.I. Case 4690 is equipped with hydraulic four-wheel steering steering, hydraulic dry disc brakes, Silent Guardian cab (standard) and 484.5 liters (128 US gal.; 106.6 Imp. gal) fuel tank.
J.I. Case 4690 Specifications
| General Specifications | |
| Model | J.I. Case 4690 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 2,590 mm (102 in) |
| Weight (operating) | 10,120 kg (22,311 lbs) |
| Fuel tank capacity | 484.5 liters (128 US gal.; 106.6 Imp. gal) |
| Battery | 12V |
| Cabin type | Silent Guardian cab (standard) |
| Engine | |
| Engine model | Case |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 8.3 L, 8,259 cm2, (504.0 cu·in) |
| Bore and stroke | 117.0 mm X 127.0 mm (4.61 in X 5 in) |
| Compression ratio | 15.8:1 |
| Horsepower | 264.7 PS (194.6 kW; 261.0 HP) at 2,200 rpm |
| Starter | Electric |
| Coolant capacity: | 45.4 L (48 US. qt, 39.9 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×4 4WD |
| Steering type | Hydraulic four-wheel steering |
| Brakes | Hydraulic dry disc |
| Transmission model | John Deere |
| Transmission type | Three-speed powershift with hydraulic wet discs clutch |
| Gears | 12 forward and 4 reverse |
| Speed | Forward: 29.3 kmh (18.2 mph) Reverse: 29.3 kmh (18.2 mph) |
| Tires | |
| Front tires | Ag: 18.4-34 |
| Rear tires | Ag: 18.4-34 |
| Three-Point Hitch | |
| Category | III |
| Control type | – |
| Lift capacity (at 610 mm/24 in) | 5,785 kg (12,756 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 1000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Hydraulic capacity | 58.7 L (15.5 US. gal, 12.9 Imp. gal.) |
| Valves | 2 |
| Pump flow | 31.0 gpm (117.3 lpm) |
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