International Harvester 660 Specs ( 1959-1963 )
Production
| Description | Standard-tread tractor |
|---|---|
| Manufacturer | International Harvester |
| Original price | $6,000 (1963) |
| Total built | 6,945 |
Engine
| Air cleaner | oil bath / oil bath / oil bath |
|---|---|
| Bore/Stroke | 3.5625x4.3906 inches (90 x 112 mm) / 3.6875x4.3906 inches (94 x 112 mm) / 3.5625x4.3906 inches (90 x 112 mm) |
| Compression | 7.2:1 / 18.2:1 / 8.75:1 |
| Coolant capacity | 20 qts (18.9 L) / 23 qts (21.8 L) / 21 qts (19.9 L) |
| Description | International Harvester C-263 / gasoline / 6-cylinder / liquid-cooled vertical L-head / International Harvester D-282 / diesel / 6-cylinder / liquid-cooled vertical L-head / International Harvester C-263 / LP gas / 6-cylinder / liquid-cooled vertical L-head |
| Displacement | 263 ci (4.3 L) / 282 ci (4.6 L) / 263 ci (4.3 L) |
| Firing order | 1-5-3-6-2-4 |
| Oil capacity | 9 qts (8.5 L) / 9 qts (8.5 L) / 9 qts (8.5 L) |
| Power | 95 hp (70.8 kW) / 95 hp (70.8 kW) / 95 hp (70.8 kW) |
| Rated RPM | 2400 / 2400 / 2400 |
| Torque | 219 lb-ft (297.0 Nm) / 219 lb-ft (297.0 Nm) / 212 lb-ft (287.5 Nm) |
| Torque RPM | 1300 / 1800 / 1200 |
| Engine type | International Harvester 4.3L 6-cyl gasoline / International Harvester 4.6L 6-cyl diesel / International Harvester 4.3L 6-cyl LP gas |
| Engine type | International Harvester 4.3L 6-cyl gasoline / International Harvester 4.6L 6-cyl diesel / International Harvester 4.3L 6-cyl LP gas |
| Fuel tank | 33 gal (gas/diesel) (124.9 L) |
| Drawbar (tested) | 70.21 hp (52.4 kW) |
| Plows | 6 |
| PTO (tested) | 81.39 hp (60.7 kW) |
Transmission
| Description | The Torque Amplifier (TA) provides a clutchless shift-on-the-move between direct drive (DD) and the lower TA speed. |
|---|---|
| Gears | 5 forward and 1 reverse / 10 forward and 2 reverse |
| Oil capacity | 64 qts (60.6 L) / 64 qts (60.6 L) |
| Transmission | sliding gear / Torque Amplifier |
| Transmission type | 5-speed / 10-speed |
| Transmission type | 5-speed / 10-speed |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Independent mechanical disc brakes |
| Drive type | Two-wheel drive |
| Steering | manual |
Hydraulics
| Steering flow | 2.5 gpm (9.5 lpm) |
|---|---|
| Total flow | 12 gpm (45.4 lpm) |
| Valves | 1 |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Dimensions & Tires
| Clearance (front axle) | 17.4 inches (44 cm) |
|---|---|
| Ground clearance | 19.7 inches (frame) (50 cm) |
| Height (steering wheel) | 74 inches (187 cm) |
| Length | 142.6 inches (362 cm) |
| Wheelbase | 85.5 inches (217 cm) |
| Width | 78 inches (min) (198 cm) |
| Front tire | 7.50-18 |
| Rear tire | 18.4/15-34 |
| Weight | 9635 to 9875 pounds |
| Wheelbase | 85.5 inches (217 cm) |
| Ag front | 7.50-18 |
| Ag rear | 18.4/15-34 |
| Industrial rear | 23.1/18-26 |
660 Serial Number Location
| Description | Right side of clutch housing |
|---|
660 Serial Numbers
| 1959 | 501 |
|---|---|
| 1960 | 3398 |
| 1961 | 4259 |
| 1962 | 5883 |
| 1963 | 6995 |
| Description | FAQ: How to read a serial number table. |
| Final | ? |
International Harvester 660 Weight
| Ballasted | 15,255 lbs (6919 kg) |
|---|---|
| Operating | 9,635 lbs (gas) (4370 kg) |
International Harvester 660 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 715
| Description | Diesel TA 2WDAugust 31 - September 5, 1959Link: Nebraska Tractor Test 715 file / PTO performance / Drawbar performance / Gear 2-TA used for pull test. |
|---|---|
| Fuel use | 5.5 gal/hour (20.8 l/hour) / 5.2 gal/hour (19.7 l/hour) |
| Max power | 64.43 hp (48.0 kW) |
| Max pull | 11,046 lbs (5010 kg) |
| Power at rated engine speed | 78.78 hp (58.7 kW) |
Nebraska Tractor Test 721
| Description | Gasoline TA 2WDOctober 1 - 12, 1959Link: Nebraska Tractor Test 721 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 6.4 gal/hour (24.2 l/hour) / 6.3 gal/hour (23.8 l/hour) |
| Max power | 70.21 hp (52.4 kW) |
| Power at rated engine speed | 81.39 hp (60.7 kW) |
Nebraska Tractor Test 722
| Description | LP gas TA 2WDOctober 3 - 12, 1959Link: Nebraska Tractor Test 722 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 8.9 gal/hour (33.7 l/hour) / 8.8 gal/hour (33.3 l/hour) |
| Max power | 69.66 hp (51.9 kW) |
| Power at rated engine speed | 80.63 hp (60.1 kW) |
References
| Description | Buyers Guide International Industrial Tractors & Equipment published in 1960, by International Harvester / Industrial Tractors and matched equipment published in 1960, by International Harvester / Industrial Tractors & Equipment Buyers Guide published in 1962, by International Harvester / Direct-Start Diesel Tractors published in 1958, by International Harvester |
|---|
Speeds
| Description | With 18.4/15-34 rear tires. / With 18.4/15-34 rear tires. |
|---|
Tractor Tests
| Description | NTTL 715: diesel TA 2WD / NTTL 721: gasoline TA 2WD / NTTL 722: LP gas TA 2WD |
|---|