Serial Number Information for International Harvester 3688
| Serial Number: | Year Made: | Plate Location: |
| 501 | 1981 | Right side of frame ahead of rear axle |
| 1743 | 1982 | Right side of frame ahead of rear axle |
| 2482 | 1983 | Right side of frame ahead of rear axle |
| 2695 | 1984 | Right side of frame ahead of rear axle |
| 3068 | 1985 | Right side of frame ahead of rear axle |
Specifications
Specifications for International Harvester 3688
| Make: International Harvester | Model: 3688 | Years Made: 1981 - 1985n++n++n++30 Series |
| Factory: Rock Island, Illinois, USA | Chassis: 4x2 2WD4x4 MFWD 4WD optional | Wheelbase: 104.8 inches [266 cm] |
| Front tire: 11L-15 | Rear tire: 18.4-34 | Weight: 10990 to 13200 pounds |
| Length: 183 inches [464 cm] | Width: 102 inches [259 cm] | Height: n/a |
| Elec. Grounding: n/a | Elec. Charging Amps: n/a | Elec. Volts: n/a |
| Hitch Rear Type: III | Hitch Rear Lift: n/a | Fuel Capacity: 50 gal [189.3 L] |
| Hydraulics Type: open center | Hydraulics Capacity: 22.5 gal [85.2 L] | Hydraulics Pressure: n/a |
| Hydraulics Valves: 2 to 4 | Hydraulics Total Flow: n/a | Hydraulics Valve Flow: n/a |
| Steering: hydrostatic power | Brakes: power disc | New Price: $45,000 (1981) |
Powertrain
Powertrain for International Harvester 3688
| Engine type: International Harvester D436 | Cylinders: 6 | Displacement: 436 ci [7.1 L] |
| Bore/Stroke: 4.30x5.00 inches [109 x 127 mm] | Compression: n/a | RPM: 2400 |
| Gross Power: n/a | Torque: n/a | Torque RPM: n/a |
| Net Power: n/a | PTO: n/a | Drawbar: n/a |
| Rear PTO: independent | Rear RPM: 540/1000 | Clutch: n/a |
| Cooling: liquid | Coolant: 27 qts [25.6 L] | Air Cleaner Type: n/a |
| Oil Capacity: 14 qts [13.2 L] | Oil Change: n/a | Fuel: diesel |
| Transmission Type: n/a | Gears: 16 forward and 8 reverse |
Paint Codes
Sorry, no paint information available for International Harvester 3688 
