Ford 641 Specifications

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The Ford 641 tractor specifications include engine power rated at 48.4 hp (36.1 kW), an unsynchronized gear transmission, and a listed weight of 3,291 lbs (1,492 kg).

Ford 641 key specifications

Engine power 48.4 hp (36.1 kW)
PTO power 31.78 hp (23.7 kW)
Displacement 134 cu in (2.2 L) or 144 cu in (2.4 L)
Transmission unsynchronized gear
Fuel capacity 13 gal (49.2 L)
Weight 3,291 lbs (1,492 kg)
Rear PTO speed 540 rpm, 1.375-inch shaft

Ford 641 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.

Engine power48.4 hp
Low 13 hpAverage 96.2 hpHigh 360 hp
Displacement2.2 L
Low 0.7 LAverage 4.4 LHigh 14.8 L
Fuel capacity13 gal
Low 3.5 galAverage 40.3 galHigh 286 gal
Weight3,291 lbs
Low 1,344 lbsAverage 8,007.5 lbsHigh 32,500 lbs
This model Ford farm and compact tractors average

Ford 641 power chart

Compare the available engine, PTO and drawbar power ratings.

Engine power48.4 hp
Tested PTO power31.8 hp
Tested drawbar power29.8 hp

Ford 641 capacity chart

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

Maximum fuel capacity49.2 L
Hydraulic capacity7.6 L
Engine oil4.7 L
Coolant14.2 L

Power and performance

Belt power (claimed) 32 hp (23.9 kW)

Engine specifications

Power (gross) 48.4 hp (36.1 kW) or 42.7 hp (31.8 kW)
Bore/Stroke 3.4375 × 3.60 inches (87 × 91 mm) or 3.562 × 3.60 inches (90 × 91 mm)
Rated RPM 2,200
Torque 126.8 lb-ft (171.9 Nm)
Torque RPM 1,600
Compression 7.5:1 or 16.8:1
Air cleaner oil bath
Oil capacity 5 qt (4.7 L)
Coolant capacity 15 qt (14.2 L)
Starter volts 6 or 12
Emissions Tier 0
Firing order 1-2-4-3
Sparkplug 14 mm
Sparkplug gap 0.025 inches (0.635 mm, min)
Oil change 100 h

Transmission options

Gear options 4 forward and 1 reverse or 12 forward and 3 reverse
Clutch 254 mm dry disc or dry disc
Oil capacity 6 qt (5.7 L)
Oil type SAE 80 Mild EP

PTO and hitch

Drawbar (tested) 29.82 hp (22.2 kW)
Rear hitch category Category I
Hitch control position and draft control
Rear lift 1,250 lbs (567 kg)
PTO engine speed 540 PTO rpm at 1,485 engine rpm

Hydraulics

Hydraulic capacity 2 gal (7.6 L)
Hydraulic type open center
Total flow 4 gpm (15.1 L/min)

Mechanical specifications

Steering manual

Electrical specifications

Electrical ground positive (6V)
Charging system generator
Charging amps 20
Battery volts 6 (gas/lp)
Battery AH 80 (6V)

Dimensions and weight

Ballasted weight 5,523 lbs (2,505 kg)

Tires and tread

Front tread 52 to 80 inches (132 to 203 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) or 2.5 inches (6 cm)
Bucket width 40 or 80 inches (101 or 203 cm)
Attachment weight 593 lbs (268 kg)

Other specifications

Plows 2 (14-inch)
Belt (tested) 33.65 hp (25.1 kW)
Rear axle 8 qt (7.6 L)

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.

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