Overview
The Ford 640 is a utility farm tractor manufactured between 1954 and 1957 in Highland Park, Michigan, featuring a 134 ci Ford EAE Red Tiger four-cylinder engine available in gasoline or LP gas configurations. It is equipped with a four-speed unsynchronized gear transmission, a 540 RPM transmission-type PTO, and a Type I rear hitch with a 1,250-pound lift capacity. Nebraska Tractor Test data recorded maximum drawbar performance at 28.59 hp for the gasoline model and 27.11 hp for the LP gas variant.
Ideal Applications
Tested Power and Fuel Performance:
Nebraska Tractor Test 560 measured a maximum belt power of 31.01 hp and a maximum pull of 3,008 lbs for the gasoline configuration, while Test 627 recorded a belt fuel consumption of 3.9 gal/hour for the LP gas model.
Transmission and PTO Configuration:
The mechanical layout consists of a four-speed unsynchronized gear transmission, a 540 RPM non-live rear PTO, and a 9-inch diameter belt pulley operating at 1,366 RPM.
Hydraulic and Hitch Specifications:
The tractor features an open center hydraulic system with a 4.8 gpm pump flow and a rear Type I hitch providing 1,250 lbs of lift capacity regulated by position and draft control.
Production
| Description | Utility tractor / Built in Highland Park, Michigan, USA / Original price was $2,056 in 1957 |
|---|---|
| Manufacturer | Ford |
Engine
| Air cleaner | oil bath / oil bath |
|---|---|
| Bore/Stroke | 3.44x3.60 inches (87 x 91 mm) / 3.44x3.60 inches (87 x 91 mm) |
| Compression | 6.6:1 / 6.6:1 |
| Coolant capacity | 15 qts (14.2 L) |
| Description | Ford EAE Red Tiger / gasoline / 4-cylinder 8-valve / liquid-cooled inline / Ford EAE Red Tiger / LP gas / 4-cylinder 8-valve / liquid-cooled inline |
| Displacement | 134 ci (2.2 L) / 134 ci (2.2 L) |
| Emissions | Tier 0 |
| Firing order | 1-2-4-3 / 1-2-4-3 |
| Rated RPM | 2200 / 2200 |
| Sparkplug | 14MM / 14MM |
| Sparkplug gap | 0.025 inches (min) (0.635 mm) / 0.028 inches (min) (0.711 mm) |
| Starter volts | 6 |
| Oil capacity | 5 qts (4.7 L) / 5 qts (4.7 L) |
| Oil change | 100 h / 100 h |
| Engine type | Ford 2.2L 4-cyl gasoline / Ford 2.2L 4-cyl LP gas |
| Engine type | Ford 2.2L 4-cyl gasoline / Ford 2.2L 4-cyl LP gas |
| Belt (claimed) | 30 hp (22.4 kW) |
| Belt (tested) | 31.01 hp (23.1 kW) |
| Drawbar (tested) | 28.59 hp (21.3 kW) |
| Plows | 2 (14-inch) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 4 forward and 1 reverse |
| Transmission | Ford |
| Transmission type | 4-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Differential mechanical expanding shoe brakes |
| Drive type | Two-wheel drive |
| Steering | manual |
Capacity
| Fuel | 11 gal (41.6 L) |
|---|---|
| Hydraulic system | 2.25 gal (8.5 L) |
Hydraulics
| Capacity | 2.25 gal (8.5 L) |
|---|---|
| Pressure | 2000 psi (137.9 bar) |
| Pump flow | 4.8 gpm (18.2 lpm) |
| Steering flow | 6.5 gpm (24.6 lpm) |
| Steering press. | 100 psi (6.9 bar) |
| Type | open center |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift | 1250 lbs (567 kg) |
| Rear Type | I |
PTO
| Rear PTO | transmission (non-live) |
|---|---|
| Rear PTO Type | 540 (1.125) |
Electrical
| Battery volts | 6 |
|---|---|
| Charging amps | 20 |
| Charging system | generator |
| Ground | positive |
Dimensions & Tires
| Ballasted weight | 3,641 lbs (1651 kg) |
|---|---|
| Front tread | 52 to 76 inches (132 to 193 cm) |
| Ground clearance | 21 inches (53 cm) |
| Height | 58.7 inches (149 cm) |
| Length | 121.4 inches (308 cm) |
| Rear tread | 52 to 76 inches (132 to 193 cm) |
| Weight | 3031 lbs (1374 kg) |
| Wheelbase | 75.2 inches (191 cm) |
| Width | 64.75 inches (164 cm) |
| Front tire | 5.50-16 |
| Rear tire | 11-28 |
| Weight | 3031 lbs (1374 kg) |
| Wheelbase | 75.2 inches (191 cm) |
| Ag front | 5.50-16 |
| Ag rear | 11-28 |
640 Serial Number Location
| Description | On the left-hand side of the transmission housing behind the starter. |
|---|
640 Serial Numbers
| 1954 | 1 |
|---|---|
| 1955 | 10615 |
| 1956 | 77271 |
| 1957 | 116368 |
| Description | FAQ: How to read a serial number table. |
Belt Pulley
| Diameter | 9 inches (22 cm) |
|---|---|
| RPM | 1,366 |
| Speed | 3218 ft/min (980.85 meters/min) |
| Width | 6.5 inches (16 cm) |
Ford 640 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 560
| Belt fuel use (max) | 2.9 gal/hour (11.0 l/hour) |
|---|---|
| Belt power (max) | 31.01 hp (23.1 kW) |
| Description | Gasoline 4-speed 2WDSeptember 19 - October 4, 1955Link: Nebraska Tractor Test 560 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 28.59 hp (21.3 kW) |
| Max pull | 3,008 lbs (1364 kg) |
Nebraska Tractor Test 627
| Belt fuel use (max) | 3.9 gal/hour (14.8 l/hour) |
|---|---|
| Belt power (max) | 28.45 hp (21.2 kW) |
| Description | LP gas 4-speed 2WDJune 24 - July 12, 1957Link: Nebraska Tractor Test 627 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 27.11 hp (20.2 kW) |
| Max pull | 2,812 lbs (1275 kg) |
References
| Description | 1200 Farm Loaders published in 1966, by Ford / Owner's Manual Series 600 and 800 (SE6085) published in 1956 / Accessories and special items for your Ford tracotr published in 1958 / 1955-1960 Tractor Shop Manual (SE-8175) published in 1961 / New 600 Model Ford Tractor published in 1954 |
|---|
Speeds
| Description | With 11x28 rear tires. |
|---|
Tractor Tests
| Description | NTTL 560: gasoline 4-speed 2WD / NTTL 627: LP gas 4-speed 2WD |
|---|
Variants
| 620 | no PTO, hydraulics, or 3-point hitch |
|---|---|
| 630 | no PTO |
| 640 | four-speed |
| 650 | five-speed |
| 660 | five-speed, live PTO |
| 740 | row-crop |