Ford

641

Horsepower
48hp
Production
1957–1962
Category
farm

Overview

Production

Original Price$3,096 (1961)
EngineFord 2.2L 4-cyl gasoline
Tractor Typeutility
Series601 Workmaster Series
Manufacture LocationHighland Park, Michigan, USA

Mechanical

Drive Typetwo-wheel drive
Steeringmanual with power assist optional
Brakesdifferential mechanical expanding shoe

Hydraulics

Hydraulic Typeopen center
Hydraulic System Capacity2 gal (7.6 L)

Fuel Capacity

Fuel Capacity Rops13 gal (49.2 L)

Other

Plows2
Variant 611Select-O-Speed, no PTO
Variant 621Four-speed, no PTO or 3-point
Variant 631Four-speed, no PTO
Variant 641Four-speed
Variant 651Five-speed
Variant 661Five-speed, live PTO
Variant 671Select-O-Speed
Variant 681Select-O-Speed, dual-speed PTO
Engine OptionsFord 2.2L 4-cyl gasoline, Ford 2.4L 4-cyl diesel, Ford 2.2L 4-cyl LP gas
Total Flow4 gpm (15.1 lpm)
Operator Stationopen operator station
Rear Axle Capacity8 qts (7.6 L)
Orchard Variant Available641-21

Engine

EngineFord EAE Red Tiger
Fuel Typegasoline
Cylinders4-cylinder 8-valve
Coolingliquid-cooled vertical inline
Displacement134 ci (2.2 L)
Bore3.44 in (87 mm)
Bore Stroke3.4375x3.60 in (87 x 91 mm)
Stroke3.6 in (91 mm)
Compression Ratio7.5
Power Gross48.4 hp (36.1 kW)
Torque1,600 RPM
Torque126.8 lb-ft (171.9 Nm)
Air Cleaneroil bath
Starter Volts6
Oil Capacity5 qts (4.7 L)
Oil Change Interval Hours100
Coolant Capacity15 qts (14.2 L)
Firing Order1-2-4-3
Sparkplug Type14MM
Sparkplug Gap0.03 in (0.64 mm)
EmissionsTier 0
Rated2,200 RPM

Option 1

EngineFord EAE Red Tiger
Coolingliquid-cooled vertical inline
Cylinders4-cylinder 8-valve
EmissionsTier 0
Fuel Typegasoline
Rated2,200 RPM
Torque1,600 RPM
Air Cleaneroil bath
Bore3.44 in (87 mm)
Firing Order1-2-4-3
ManufacturerFord
Torque126.8 lb-ft (171.9 Nm)
Starter Volts6
Stroke3.6 in (91 mm)
Power Gross48.4 hp (36.1 kW)
Sparkplug Type14MM
Displacement134 ci (2.2 L)
Oil Capacity5 qts (4.7 L)
Compression Ratio7.5
Bore Stroke3.4375x3.60 in (87 x 91 mm)
Coolant Capacity15 qts (14.2 L)
Sparkplug Gap0.03 in (0.64 mm)
Oil Change Interval Hours100

Option 2

EngineFord 641
Coolingliquid-cooled vertical inline
Cylinders4-cylinder 8-valve
Fuel Typediesel
Rated2,200 RPM
Air Cleaneroil bath
Bore3.56 in (90 mm)
Firing Order1-2-4-3
ManufacturerFord
Starter Volts12
Stroke3.6 in (91 mm)
Power Gross42.7 hp (31.8 kW)
Displacement144 ci (2.4 L)
Compression Ratio16.8
Bore Stroke3.562x3.60 in (90 x 91 mm)

Option 3

EngineFord EAE Red Tiger
Coolingliquid-cooled vertical inline
Cylinders4-cylinder 8-valve
Fuel TypeLP gas
Rated2,200 RPM
Bore3.44 in (87 mm)
Firing Order1-2-4-3
ManufacturerFord
Starter Volts6
Stroke3.6 in (91 mm)
Displacement134 ci (2.2 L)
Compression Ratio7.5
Bore Stroke3.4375x3.60 in (87 x 91 mm)

Dimensions

Front Tread52 in (132 cm)
Front Tread Range52 to 80 inches 132 to 203 cm
Rear Tread52 in (132 cm)
Rear Tread Range52 to 76 inches 132 to 193 cm
Operating Weight3,291 lbs (1,492 kg)
Tires Ag Front5.50-16
Tires Ag Rear11-28
Ballasted Weight5,523 lbs (2,505 kg)

Transmission

Transmission Typeunsynchronized gear
Gears4 forward and 1 reverse
Clutch254mm dry disc
Oil Capacity6 qts (5.7 L)
Oil TypeSAE 80 Mild EP

Test Results

Test ReferenceNebraska Tractor Test 642
Test Number642
Test DateMarch 20 - 31, 1958
Fuel TypeGasoline
Drawbar Max Power29.82 hp (22.2 kW)
Drawbar Max Pull4,101 lbs (1,860 kg)
Belt Power Max33.65 hp (25.1 kW)
Belt Fuel Use Max3.4 gal/hr (12.9 L/hr)
Test LinkNebraska Tractor Test 642 file
Pull Test Gear1
Power Test Gear5
Transmission Type12-speed