International Harvester 650 Specs ( 1956-1958 )
Overview
The International Harvester 650 is a standard-tread farm tractor produced from 1956 to 1958 in Melrose Park, Illinois, with a total production run of 4,933 units. This 2WD model features a 350 ci 4-cylinder engine available in gasoline, LP gas, or diesel configurations, paired with a five-speed sliding gear transmission. It is equipped with power assist steering, disc brakes, and an open operator station, with an operating weight listed at 7,319 pounds.
Ideal Applications
Tested Power Performance:
Nebraska Tractor Test 621 recorded a maximum belt power of 63.91 hp and a maximum drawbar pull of 8,867 lbs when utilizing the LP gas engine configuration.
Mechanical and Transmission Layout:
The 650 utilizes a sliding gear transmission providing five forward gears and one reverse gear, supported by a 540 RPM transmission-driven rear PTO.
Weight and Ballast Specifications:
The tractor has a base shipping weight of 6,712 lbs and an operating weight of 7,319 lbs, which can be increased to a ballasted weight of 12,615 lbs.
Production
| Description | Standard-tread tractor / Built in Melrose Park, Illinois, USA |
|---|---|
| Manufacturer | International Harvester |
| Original price | $4,400 (1958) |
| Total built | 4,933 |
Engine
| Air cleaner | oil bath |
|---|---|
| Bore/Stroke | 4.50x5.50 inches (114 x 140 mm) / 4.50x5.50 inches (114 x 140 mm) |
| Compression | 6.12:1 / 8.25:1 |
| Description | International Harvester / gasoline / 4-cylinder / liquid-cooled vertical I-head / International Harvester / LP gas / 4-cylinder / liquid-cooled vertical I-head / International Harvester / diesel / 4-cylinder / liquid-cooled / Lacking information. Possibly the same as the Super WD-9 diesel engine. |
| Displacement | 350 ci (5.7 L) / 350 ci (5.7 L) |
| Rated RPM | 1500 / 1500 |
| Starter volts | 12 / 12 |
| Description | International Harvester 4-cyl diesel |
| Engine type | International Harvester 5.7L 4-cyl gasoline / International Harvester 5.7L 4-cyl LP gas |
| Description | International Harvester 4-cyl diesel |
| Engine type | International Harvester 5.7L 4-cyl gasoline / International Harvester 5.7L 4-cyl LP gas |
| Belt (tested) | 63.91 hp (47.7 kW) |
| Drawbar (claimed) | 45 hp (33.6 kW) |
| Drawbar (tested) | 58.22 hp (43.4 kW) |
| PTO (claimed) | 57 hp (42.5 kW) |
Transmission
| Gears | 5 forward and 1 reverse |
|---|---|
| Transmission type | 5-speed sliding gear |
| Type | sliding gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Disc brakes |
| Drive type | Two-wheel drive |
| Steering | power assist |
Hydraulics
| Type | Hydra-Touch |
|---|---|
| Valves | 1 |
PTO
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 540 |
Dimensions & Tires
| Height | 88 inches (223 cm) |
|---|---|
| Length | 135 inches (342 cm) |
| Width | 76 inches (193 cm) |
| Front tire | 7.50-18 |
| Rear tire | 14-34 |
| Weight | 6712 to 7319 pounds |
| Ag front | 7.50-18 |
| Ag rear | 14-34 |
650 Serial Number Location
| Description | Plate near fuel tank bracket |
|---|
650 Serial Numbers
| 1956 | 501 |
|---|---|
| 1957 | 688 |
| 1958 | 11659 |
| Description | FAQ: How to read a serial number table. |
International Harvester 650 Weight
| Ballasted | 12,615 lbs (5722 kg) |
|---|---|
| Operating | 7,319 lbs (3319 kg) |
| Shipping | 6,712 lbs (3044 kg) |
Nebraska Tractor Test 618
| Belt fuel use (max) | 6.0 gal/hour (22.7 l/hour) |
|---|---|
| Belt power (max) | 62.11 hp (46.3 kW) |
| Description | Gasoline 5-speed 2WDMay 3 - 21, 1957Link: Nebraska Tractor Test 618 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 56.17 hp (41.9 kW) |
| Max pull | 8,564 lbs (3884 kg) |
Nebraska Tractor Test 621
| Belt fuel use (max) | 7.3 gal/hour (27.6 l/hour) |
|---|---|
| Belt power (max) | 63.91 hp (47.7 kW) |
| Description | LP gas 5-speed 2WDMay 21 - 27, 1957Link: Nebraska Tractor Test 621 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 58.22 hp (43.4 kW) |
| Max pull | 8,867 lbs (4022 kg) |
Tractor Tests
| Description | NTTL 618: gasoline 5-speed 2WD / NTTL 621: LP gas 5-speed 2WD |
|---|