Ford 640 Specifications

The Ford 640 tractor specifications include an unsynchronized gear, 4-forward, 1-reverse transmission and a listed weight of 3,031 lbs (1,374 kg).

Ford 640 key specifications

Displacement 134 cu in (2.2 L)
Transmission unsynchronized gear, 4-forward, 1-reverse
Fuel capacity 11 gal (41.6 L)
Weight 3,031 lbs (1,374 kg)
Wheelbase 75.2 inches (191 cm)
Rear PTO speed 540 rpm, 1.125-inch shaft

Ford 640 industry comparison

See how this tractor compares across up to six main specifications using the low, average and high values for Ford farm and compact tractors in this specifications database.

Displacement2.2 L
Low 0.7 LAverage 4.4 LHigh 14.8 L
Fuel capacity11 gal
Low 3.5 galAverage 40.3 galHigh 286 gal
Weight3,031 lbs
Low 1,344 lbsAverage 8,007.5 lbsHigh 32,500 lbs
Wheelbase75.2 in
Low 48 inAverage 89.4 inHigh 139 in
This model Ford farm and compact tractors average

Ford 640 capacity chart

Compare the tractor's listed fuel, hydraulic and service-fluid capacities.

Maximum fuel capacity41.6 L
Hydraulic capacity8.5 L
Engine oil4.7 L
Coolant14.2 L

Ford 640 dimensions chart

Compare the main listed tractor dimensions using centimetres.

Length308 cm
Wheelbase191 cm
Width16 cm
Ground clearance53 cm

Power and performance

Belt power (claimed) 30 hp (22.4 kW)

Engine specifications

Bore/Stroke 3.44 × 3.60 inches (87 × 91 mm)
Rated RPM 2,200
Compression 6.6:1
Air cleaner oil bath
Oil capacity 5 qt (4.7 L)
Coolant capacity 15 qt (14.2 L)
Starter volts 6
Emissions Tier 0
Firing order 1-2-4-3
Sparkplug 14 mm
Sparkplug gap 0.025 inches (min) 0.635 mm or 0.028 inches (0.711 mm, min)
Oil change 100 h

Transmission options

Gears 4 forward and 1 reverse
Clutch dry disc
Transmission type unsynchronized gear

PTO and hitch

Drawbar (tested) 28.59 hp (21.3 kW)
Rear hitch category Category I
Hitch control position and draft control
Rear lift 1,250 lbs (567 kg)
Rear PTO transmission (non-live)

Hydraulics

Hydraulic capacity 2.25 gal (8.5 L)
Hydraulic type open center
Hydraulic pressure 2,000 psi (137.9 bar)
Pump flow 4.8 gpm (18.2 L/min)
Steering flow 6.5 gpm (24.6 L/min)
Steering pressure 100 psi (6.9 bar)

Mechanical specifications

Steering manual

Electrical specifications

Electrical ground positive
Charging system generator
Charging amps 20
Battery volts 6

Dimensions and weight

Length 121.4 inches (308 cm)
Width 6.5 inches (16 cm)
Width 64.75 inches (164 cm)
Height 58.7 inches (149 cm)
Ground clearance 21 inches (53 cm)
Ballasted weight 3,641 lbs (1,651 kg)

Tires and tread

Front tread 52 to 76 inches (132 to 193 cm)
Rear tread 52 to 76 inches (132 to 193 cm)
Front tire 5.50-16
Rear tire 11-28

Attachments

boom rod 1.375 inches (3 cm)
Bucket width 40 or 80 inches (101 or 203 cm)

Other specifications

Plows 2 (14-inch)
Belt (tested) 31.01 hp (23.1 kW)
Diameter 9 inches (22 cm)
RPM 1,366
Speed 3,218 ft/min 980.85 meters/min

Note: Industry comparison values are calculated from models in this specifications database. Specifications can vary by year, market, configuration, tires and optional equipment. For official specifications, check the tractor’s original operator, service or parts manual.