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John Deere 40

The John Deere 40 is a tractor produced by John Deere. It is equipped with a 100.5 ci 1.6 L engine. The rated power output is 20.9 hp 15.6 kW. Transmission: 4 forward and 1 reverse. Operating weight: 2900 to 3220 pounds.

Engine Power
20.9 hp 15.6 kW
Fuel & Capacities
Gasoline
Transmission
4 forward and 1 reverse
Operating Weight
2900 to 3220 pounds

John Deere 40 Serial Number & Year Decoder

Find the exact manufacture year of your tractor by checking your chassis serial number below.

Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.

Overview

John Deere 40 tractor photo
1953 - 1955 Utility tractor
1953 - 1955
Utility tractor
Production
Manufacturer
John Deere
Utility tractor
Built in Dubuque, Iowa, USA
Total built
18,000
Original price was $1,500 in 1954
The John Deere model 40 was the replacement for the M. The 40 variants included the 40S standard, utility, high-crop, 2-row utility, and a crawler model (the 40C). The 40C and the utility were used as industrial models, although there was no official John Deere designation for 40 industrial models.
Variants
40C
tracked tractor
40H
high-crop
40S
standard
40T
tricycle
40V
special
40U
utility
40W
two-row utility
John Deere 40 Transmission
4-speed gear
Transmission details ...
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
Performance test details ...
Mechanical
Two-wheel drive
Manual steering
Open operator station.
Tractor hitch
Rear Type
I
Power Take-off (PTO)
Rear PTO
transmission
Rear PTO Type
540
Dimensions & Tires
Weight
2900 to 3220 pounds
Front tire
5.00-15
Rear tire
9-24
Full dimensions and tires ...
Links
JD40.com: Detailed information, including service and tune-up, on the 40
40 Industrial: Photos of industrial model 40s
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
References
40 references literature
The First Numbered Series of John Deere Tractors published in 2004, by Hain Publishing
Industrial Tractors and Equipment published in 1954, by John Deere
Operator's Manual Hydraulic Loader No. 40 (OM-C26-753) published in 1953
40 Series Tractors published in 1953, by John Deere
Tractors 1918-1976 published by John Deere*
*Publication contains known errors.

Engine

Engine options
John Deere 1.6L 2-cyl gasoline
John Deere 1.6L 2-cyl all-fuel

Engine Detail — 100.5 ci / 1.6 L Gasoline

Manufacturer
John Deere
Fuel Type
Gasoline
Configuration
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
John Deere 40 Engine
John Deere 40 engine image

Engine Detail — 100.5 ci / 1.6 L

Manufacturer
John Deere
Configuration
2-cylinder 4-valve, liquid-cooled
all-fuel
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 (cold) 0.305 mm
Exhaust valve clearance
0.012 inches (cold) 0.305 mm

Transmission

Transmission — 4 forward and 1 reverse gear

Manufacturer
John Deere
Type
gear
Gears
4 forward and 1 reverse
Clutch
dry disc
40 gear speeds

Dimensions

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 (40S) 291 cm
Width
89.75 inches 227 cm
55.5 inches (40S) 140 cm
Height
58.75 inches 149 cm
56 inches (40S) 142 cm
Front tread
39.125 to 54 inches 99 to 137 cm (40S)
Rear tread
47.25 to 96 inches 120 to 243 cm (40T)
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

Tests

Tractor Tests
NTTL 503: gasoline 4-speed 2WD 40T
NTTL 504: gasoline 4-speed 2WD 40S
NTTL 546: all-fuel 4-speed standard
Nebraska Tractor Test 503
Gasoline 4-speed 2WD 40T September 9 - 17, 1953 Link: Nebraska Tractor Test 503 file
Belt power (max)
24.25 hp 18.1 kW
Belt fuel use (max)
2.3 gal/hour 8.7 l/hour
Drawbar performance
Max power
21.71 hp 16.2 kW
Gear 3 used for power test.
Max pull
3,022 lbs 1370 kg
Gear 1 used for pull test.
Nebraska Tractor Test 504
Gasoline 4-speed 2WD 40S September 9 - 23, 1953 Link: Nebraska Tractor Test 504 file
Belt power (max)
23.61 hp 17.6 kW
Belt fuel use (max)
2.3 gal/hour 8.7 l/hour
Drawbar performance
Max power
21.01 hp 15.7 kW
Gear 3 used for power test.
Max pull
2,543 lbs 1153 kg
Gear 1 used for pull test.
Nebraska Tractor Test 546
All-fuel 4-speed standard June 3 - 10, 1955 Link: Nebraska Tractor Test 546 file
Belt power (max)
20.9 hp 15.6 kW
Belt fuel use (max)
2.1 gal/hour 7.9 l/hour
Drawbar performance
Max power
18.12 hp 13.5 kW
Gear 3 used for power test.
Max pull
2,511 lbs 1138 kg
Gear 1 used for pull test.

Attachments

Attachment overview
John Deere 30 loader
John Deere 40 loader

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