| Manufacturer |
John Deere |
| Price |
1,500(USD) |
| Model |
40 |
| Equipment Type |
Utility Tractors |
| Factory |
Dubuque, Iowa, USA |
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
The John Deere 40 tractor features a 1.6L inline 2-cylinder engine available in gasoline or all-fuel variants, providing flexibility in fuel choice for diverse farming needs. Its compact design enhances maneuverability in small fields but may limit power for heavier applications. This model is ideal for light-duty tasks and smaller operations, where fuel versatility and ease of maintenance are crucial.
| Description |
John Deere 1.6L 2-cyl gasoline/John Deere 1.6L 2-cyl all-fuel |
ENGINE DETAIL 1
The John Deere 40 tractor features a robust 2-cylinder, 4-valve gasoline engine with a displacement of 1.6 L and a low compression ratio of 6.5:1, optimizing it for gasoline fuel efficiency and lower power output. Its rated RPM of 1850 is ideal for agricultural applications, but the 6-volt starter may present challenges in cold start conditions. Notably, the oil bath air cleaner enhances filtration, which is advantageous for prolonging engine life in dusty environments.
| 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
The John Deere 40's 2-cylinder, 4-valve engine, with a displacement of 1.6 L and a low compression ratio of 6.5:1, is optimized for use with all-fuel systems, enhancing versatility in fuel choice. Its oil bath air cleaner and liquid-cooling system contribute to reliable performance, while the 1850 RPM rated speed indicates it's suited for moderate fieldwork tasks. Key maintenance considerations include checking spark plug gaps (0.025 inches) and valve clearances (0.012 inches), which may pose challenges if not precisely adjusted, impacting engine efficiency and longevity.
| 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
The John Deere 40 tractor features a 1.6L 2-cylinder gasoline or all-fuel engine, delivering versatility for various fuel options, which can enhance usability in diverse situations. With a fuel tank capacity of 10.5 gallons and an auxiliary fuel reserve of 0.9 gallons, the tractor offers a reasonable operational range, though the relatively small fuel capacity may limit prolonged use in the field without refueling. Operators should consider the implications of fuel type on performance, as all-fuel capability can be advantageous in remote areas where gasoline access is limited.
| 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
The John Deere 40 features a simple 4-speed forward and 1-speed reverse gear system, suitable for basic agricultural tasks. The dry disc clutch offers reliable engagement and longevity, but may require more maintenance than wet clutches under heavy use conditions. Ideal for smaller farms or light-duty applications, its straightforward design makes it user-friendly, though it may lack the versatility needed for more demanding tasks.
| Manufacturer |
John Deere |
| Type |
gear |
| Gears |
4 forward and 1 reverse |
| Clutch |
dry disc |
MECHANICAL
The John Deere 40 features a 4x2 two-wheel drive chassis, which provides simpler maintenance but may struggle in uneven terrain compared to 4WD. The manual steering system requires more effort, which can be tiring during extended use, while the open operator station enhances operator visibility but exposes them to the elements. Its 4-speed gear transmission allows for versatile speed selection, making it suitable for various tasks, though it may lack the precision of a hydrostatic transmission in sensitive applications.
| Chassis |
4x2 2WD |
| Steering |
manual |
| Cab |
Open operator station. |
| Transmission |
4-speed gear |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
transmission |
| Rear RPM |
540 |
JOHN DEERE 40 TIRES
The John Deere 40 tractor is equipped with versatile tire options enhancing traction and stability for various agricultural tasks. The front tire sizes (5.00-15/6.00x16) provide nimble maneuverability, while the extensive rear tire options (ranging from 9-34 to 11-38) allow for adaptability across different field conditions and loads. Note that tire selection can affect ground compaction; larger rear tires may reduce compaction but could also challenge steering responsiveness in tight spaces.
| 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
The John Deere 40 tractor, with a weight range of 2900 to 3220 pounds, provides stability for various agricultural tasks, although the heavier variants may require additional power for transport. Its front tire size of 5.00-15 supports maneuverability, while the 9-24 rear tires enhance traction on uneven terrain. This configuration suits small to medium-scale farming operations, though the tractor's limited horsepower might challenge larger implements.
| 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 |
