The CaseIH 685 is a 2WD/4WD utility tractor from the 85 Utility series. This tractor was manufactured by CaseIH in Doncaster, England from 1985 to 1990. The CaseIH 685 is equipped with a 3.9 L (239.0 cu·in) four-cylinder diesel engine and one of two transmissions: a gear type transmission with 8 forward and 4 reverse gears or a two-speed power shift transmission with 16 forward and 8 reverse gears.
The CaseIH 685 utility tractor used the CaseIH D239 engine. It is a 3.9 L, 3,916 cm2, (239.0 cu·in) four-cylinder natural aspirated diesel engine with 98.0 mm (3.86 in) of the cylinder bore and 129.0 mm (5.08 in) of the piston stroke. The compression ratio rating is 16.0:1. This engine produced 74 PS (54.4 kW; 73.0 HP) at 2,400 rpm of output power.
The CaseIH 685 is equipped with power steering, differential hydraulic wet disc brakes, Two-post ROPS or Cab (optional) and 75.7 liters (20 US gal.; 16.7 Imp. gal) fuel tank.
CaseIH 685 Specifications
| General Specifications | |
| Model | CaseIH 685 |
| Length | 3,590 mm (141.3 in) |
| Width | – |
| Height |
2WD: 2,370 mm (93.3 in) 4WD: 2,450 mm (96.5 in) |
| Wheel base | 2,140 mm (84.3 in) |
| Weight (operating) | 2WD: 2,567 kg (5,659 lbs) |
| Fuel tank capacity | 75.7 liters (20 US gal.; 16.7 Imp. gal) |
| Battery | 12V |
| Cabin type | Two-post ROPS or Cab (optional) |
| Engine | |
| Engine model | CaseIH D239 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 3.9 L, 3,916 cm2, (239.0 cu·in) |
| Bore and stroke | 98.0 mm X 129.0 mm (3.86 in X 5.08 in) |
| Compression ratio | 16.0:1 |
| Horsepower | 74 PS (54.4 kW; 73.0 HP) at 2,400 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Differential hydraulic wet disc |
| Transmission model | – |
| Transmission type | Gear type with dry disc clutch |
| Gears | 8 forward and 4 reverse |
| Transmission model | – |
| Transmission type | Two-speed power shift with dry disc clutch |
| Gears | 16 forward and 8 reverse |
| Speed | Forward: 30.7 kmh (19.1 mph) Reverse: 9.7 kmh (6.0 mph) |
| Tires | |
| Front tires | Ag: 7.50-16 |
| Rear tires | Ag: 16.9-30 |
| Three-Point Hitch | |
| Category | II/I |
| Control type | – |
| Lift capacity (at 610 mm/24 in) | 1,478 kg (3,260 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540/1000 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Hydraulic capacity | 34.1 L (9.0 US. gal, 7.5 Imp. gal.) |
| Pressure | 2500 psi (172.4 bar) |
| Valves | 1 or 2 |
| Pump flow | 15.8 gpm (59.8 lpm) |
| Total flow | 18.6 gpm (70.4 lpm) |