Full Specifications
VARIANTS
40H
high-crop
40S
standard
40T
tricycle
40V
special
40U
utility
40W
two-row utility
NEBRASKA TRACTOR TEST 503 2
Description
Gasoline 4-speed 2WD 40T/September 9 - 17, 1953/Link: Nebraska Tractor Test 503 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max)
24.25 hp/18.1 kW
Belt fuel use (max)
2.3 gal/hour/8.7 l/hour
Max power
21.71 hp/16.2 kW
Max pull
3,022 lbs/1370 kg
NEBRASKA TRACTOR TEST 504 2
Description
Gasoline 4-speed 2WD 40S/September 9 - 23, 1953/Link: Nebraska Tractor Test 504 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max)
23.61 hp/17.6 kW
Belt fuel use (max)
2.3 gal/hour/8.7 l/hour
Max power
21.01 hp/15.7 kW
Max pull
2,543 lbs/1153 kg
NEBRASKA TRACTOR TEST 546 2
Description
All-fuel 4-speed standard/June 3 - 10, 1955/Link: Nebraska Tractor Test 546 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max)
20.9 hp/15.6 kW
Belt fuel use (max)
2.1 gal/hour/7.9 l/hour
Max power
18.12 hp/13.5 kW
Max pull
2,511 lbs/1138 kg
JOHN DEERE 40 POWER
Drawbar (claimed)
16.77 hp/12.5 kW
Belt (claimed)
21.13 hp/15.8 kW
Drawbar (tested)
21.71 hp/16.2 kW
Belt (tested)
24.25 hp/18.1 kW
ENGINES OVERVIEW
Description
John Deere 1.6L 2-cyl gasoline/John Deere 1.6L 2-cyl all-fuel
ENGINE DETAIL 1
Description
John Deere/gasoline/2-cylinder 4-valve/liquid-cooled
Displacement
100.5 ci/1.6 L
Bore/Stroke
4.00x4.00 inches/102 x 102 mm
Air cleaner
oil bath
Compression
6.5:1
Rated RPM
1850
Firing order
1-2
Starter volts
6
Oil capacity
5 qts/4.7 L
Coolant capacity
14 qts/13.2 L
ENGINE DETAIL 2
Description
John Deere/all-fuel/2-cylinder 4-valve/liquid-cooled
Displacement
100.5 ci/1.6 L
Bore/Stroke
4.00x4.00 inches/102 x 102 mm
Air cleaner
oil bath
Compression
6.5:1
Rated RPM
1850
Firing order
1-2
Starter volts
6
Oil capacity
5 qts/4.7 L
Sparkplug gap
0.025 inches/0.635 mm
Point gap
0.022 inches/0.559 mm
Intake valve clearance
0.012 inches/0.305 mm (cold)
Exhaust valve clearance
0.012 inches/0.305 mm (cold)
JOHN DEERE 40 ENGINES
Description
John Deere 1.6L 2-cyl gasoline/John Deere 1.6L 2-cyl all-fuel
Fuel tank
10.5 gal/39.7 L
Aux. fuel
0.9 gal/3.4 L
TRANSMISSION
Manufacturer
John Deere
Type
gear
Gears
4 forward and 1 reverse
Clutch
dry disc
MECHANICAL
Chassis
4x2 2WD
Steering
manual
Cab
Open operator station.
Transmission
4-speed gear
POWER TAKE-OFF (PTO)
Rear PTO
transmission
Rear RPM
540
JOHN DEERE 40 TIRES
Ag front
5.00-15/6.00x16
Ag rear
9-24 (40S)/10-24 (40S/U)/11-24 (40S/U)/11-26 (40U)/13-26 (40U)/9-34 (40W/T/V)/10-34 (40W/V/T)/10-38 (40H)/11-38 (40H)
DIMENSIONS
Length
130.625 inches/331 cm/114.75 inches/291 cm (40S)
Width
89.75 inches/227 cm/55.5 inches/140 cm (40S)
Height
58.75 inches/149 cm/56 inches/142 cm (40S)
Front tread
39.125 to 54 inches/99 to 137 cm (40S)
Rear tread
38.75 to 54.128 inches/98 to 137 cm (40S)
JOHN DEERE 40 WEIGHT
40S Operating
2900 lbs/1315 kg
40T Operating
3220 lbs/1460 kg
40S Ballasted
4189 lbs/1900 kg
40T Ballasted
4553 lbs/2065 kg
DIMENSIONS & TIRES
Weight
2900 to 3220 pounds
Front tire
5.00-15
Rear tire
9-24
JOHN DEERE 30 LOADER
Height (to pin)
114 inches/289 cm
Breakout force (lift)
1400 lbs/635 kg
Lift to full height (at pin)
800 lbs/362 kg
Bucket width
34 inches/86 cm
JOHN DEERE 40 LOADER
Height (to pin)
114 inches/289 cm
Breakout force (lift)
1800 lbs/816 kg
Lift to full height (at pin)
800 lbs/362 kg
Bucket width
36 inches/91 cm
40 SERIAL NUMBERS
1953
60001 (Utility)
1954
60001 (Hi-Crop)
1955
60060 (Hi-Crop)
BELT PULLEY
Diameter
9.1 inches/23 cm
Width
6.375 inches/16 cm
RPM
1267
Speed
3006 ft/min/916.23 meters/min
ELECTRICAL
Ground
positive
Battery volts
6
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