International Harvester 3688
Type: Row-crop Tractors
Contents:
Production | |
| Manufacturer: | International Harvester |
| Type: | Row-Crop tractor |
| Factory: | Rock Island, Illinois, USA |
| Total built: | 2,572 |
| Original price: | $45,000 (1981 ) |
Variants | |
| 3688 Hi-Clear: | high-clearance model |
International Harvester 3688 Power | |
| Drawbar (claimed): | 100.2 hp 74.7 kW |
| PTO (claimed): | 113 hp 84.3 kW |
| Drawbar (tested): | 99.21 hp 74.0 kW |
| PTO (tested): | 113.72 hp 84.8 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| 4x4 MFWD 4WD | |
| Steering: | power |
| Brakes: | hydraulic wet disc |
| Cab: | Cab standard with heat and A/C. Optional burgundy or western finish interiors. |
| Transmission: | 16-speed partial power shift |
Capacity | |
| Fuel: | 50 gal 189.3 L |
| Hydraulic system: | 22.5 gal 85.2 L |
Hydraulics | |
| Type: | closed center |
| Capacity: | 22.5 gal 85.2 L |
| Valves: | 2 to 4 |
| Pump flow: | 18 gpm 68.1 lpm |
| Total flow: | 27 gpm 102.2 lpm |
| Steering flow: | 12 gpm 45.4 lpm |
Tractor hitch | |
| Rear Type: | II |
| Control: | draft sensing |
Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540/1000 |
| Engine RPM: | 540@2100 1000@2100 |
3688 Serial Numbers | |
| Location: | Serial number plate on the right side of the tractor frame, ahead of the rear axle. |
| 1981: | 501 |
| 1982: | 1743 |
| 1983: | 2482 |
| 1984: | 2695 |
| 1985: | 3068 |
Electrical | |
| Ground: | negative |
| Battery volts: | 12 |
Engine Detail | |
| International Harvester D436 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement: | 436 ci 7.1 L |
| Bore/Stroke: | 4.30x5.00 inches 109 x 127 mm |
| Air cleaner: | dual dry elmeent |
| Compression: | 16:1 |
| Rated RPM: | 2400 |
| Idle RPM: | 900-2400 |
| Starter volts: | 12 |
| Oil capacity: | 14 qts 13.2 L |
| Coolant capacity: | 26 qts 24.6 L |
Transmission | |
| Type: | partial power shift |
| Gears: | 16 forward and 8 reverse |
| Clutch: | cerametallic disc |
| Oil capacity: | 90 qts 85.2 L |
| Left lever selects gear, right lever selects high, low, or reverse range. Tractor may be shifted on the move without the clutch between gear pairs (1-2, 3-4, etc). Synchronized shifting, using the clutch, between gear pairs (2 to 3, 4 to 5, etc). The transmission is four-gear with the powershift provided by an electric solenoid actuated Torque Amplifier. | |
Dimensions | |
| Wheelbase: | 105 inches 266 cm |
| Length: | 184 inches 467 cm |
| Width: | 102 inches 259 cm *Width at minimum tread. |
| Height (cab): | 112 inches 284 cm |
| Shiping weight: | 11300 lbs 5125 kg |
| Operating weight: | 13200 lbs 5987 kg |
| Ground clearance: | 13 inches 33 cm |
| Rear axle: | 3.25 by 104 inches 82 by 2641 mm |
| Rear axle: | 3.25 by 118 inches 82 by 2997 mm |
| Front tread: | 60 to 84 inches 152 to 213 cm |
| Rear tread: | 66 to 128.5 inches 167 to 326 cm |
