Ford 641

Ford 641 Utility tractor Technical Specifications

Ford 641 is a Row-Crop tractor that was produced by the John Deere between 1957 – 1962.

Below you will find detailed technical specifications for Ford 641 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Ford 641 Production

Manufacturer Ford
Utility tractor
Built in Highland Park, Michigan, USA
Original price was $3,096 in 1961
This tractor was one of the models that made the 601 Workmaster series. An orchard variant was also available, with a model number of 641-21.

Ford 641 Power

Engine: 29.82 hp
22.2 kW
PTO (tested) 31.78 hp
23.7 kW
Belt (tested) 33.65 hp
25.1 kW

Ford 641 Electrical

Ground positive (6V)
  negative (12V)
Charging system generator
Charging amps 20
Battery volts 6 (gas/lp)
  12 (diesel)
Battery AH 80 (6V)
  135 (12V)

Ford 641 Mechanical

Two-wheel drive
Steering manual
  power assist optional
Differential mechanical expanding shoe brakes
Open operator station.


Fuel 13 gal
49.2 L
Hydraulic system 2 gal
7.6 L
Rear axle 8 qts
7.6 L


Capacity 2 gal
7.6 L
Total flow 4 gpm
15.1 lpm

Tracktor Hitch

Rear Type I
Rear lift 1,250 lbs
567 kg

Power Take-off (PTO)

Rear PTO transmission
Rear RPM 540

Ford 641 Engine detail

Engine Detail
Ford EAE Red Tiger
4-cylinder 8-valve
liquid-cooled vertical inline
Displacement 134 ci
2.2 L
Bore/Stroke 3.4375×3.60 inches
87 x 91 mm
Emissions Tier 0
Power (gross) 48.4 hp
36.1 kW
Air cleaner oil bath
Compression 7.5:1
Rated RPM 2200
Torque 126.8 lb-ft
171.9 Nm
Torque RPM 1600
Firing order 1-2-4-3
Starter volts 6
Coolant capacity 15 qts
14.2 L
Sparkplug 14MM
Sparkplug gap 0.025 inches (min)
0.635 mm
  0.028 inches (max)
0.711 mm

Engine Oil
Oil capacity 5 qts
4.7 L
Oil change 100 h

Ford 641 Engine

Ford 641 Transmission overview

Manufacturer Ford
Type unsynchronized gear
Gears 4 forward and 1 reverse
Oil capacity 6 qts
5.7 L
Oil type
SAE 80 Mild EP

Ford 641 Dimensions

Operating weight 3,291 lbs
1492 kg
Ballasted weight 5,523 lbs
2505 kg
Front tread 52 to 80 inches
132 to 203 cm
Rear tread 52 to 76 inches
132 to 193 cm

Ford 641 Tests

Tractor Tests

NTTL 642: gasoline 12-speed 2WD

NTTL 686: diesel 12-speed 2WD

Nebraska Tractor Test 642

Nebraska Tractor Test 642
Gasoline 12-speed 2WD
March 20 – 31, 1958
Link: Nebraska Tractor Test 642 file
Belt power (max) 33.65 hp
25.1 kW
Belt fuel use (max) 3.4 gal/hour
12.9 l/hour
Drawbar performance
Max power 29.82 hp
22.2 kW
Gear 5 used for power test.
Max pull 4,101 lbs
1860 kg
Gear 1 used for pull test.

Nebraska Tractor Test 686

Nebraska Tractor Test 686
Diesel 12-speed 2WD
March 11 – 18, 1959
Link: Nebraska Tractor Test 686 file
PTO performance
Power at rated engine speed 31.78 hp
23.7 kW
Fuel use 2.2 gal/hour
8.3 l/hour
Power at rated PTO speed 25.29 hp
18.9 kW
Fuel use 1.8 gal/hour
6.8 l/hour
Drawbar performance
Max power 29.33 hp
21.9 kW
Fuel use 2.3 gal/hour
8.7 l/hour
Gear 5 used for power test.
Max pull 4,230 lbs
1918 kg
Gear 1 used for pull test.


Is Ford 641 a good tractor?

The Ford 641 is one of the great tractors in the Ford stable, and it has earned Ford a fantastic reputation.

How much oil does a Ford 641 take?

Check out the Ford 641 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Ford made the ?

The Ford 641 was an agricultural tractor model made from 1957 – 1962

How much horsepower is a Ford 641?

The engine tested at 29.82 hp
22.2 kW drawbar and 31.78 hp
23.7 kW kW PTO horsepower.

How much does a Ford 641 tractor weight?

Depending on the engine type, the Ford 641 weight ranges from 3,291 lbs
1492 kg .

How much can a Ford 641 Pull?

The max pulling capacity of the Ford 641 tractors starts at 4,101 lbs
1860 kg but may be slightly higher depending on the trim.

How much can a John Ford 641 Lift?

Ford 641 tractor hitch is capable of lifting 1,250 lbs
567 kg.

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