| Manufacturer | John Deere |
| Price | - |
| Model | 40C |
| Equipment Type | Agricultural Crawler Tractors |
| Factory | Dubuque, Iowa, USA |
NEBRASKA TRACTOR TEST 505 2
| Description | Gasoline 4-speed crawler/September 9 - 23, 1953/Link: Nebraska Tractor Test 505 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test. |
| Belt power (max) | 25.0 hp/18.6 kW |
| Belt fuel use (max) | 2.4 gal/hour/9.1 l/hour |
| Max power | 19.63 hp/14.6 kW |
| Max pull | 4,515 lbs/2048 kg |
JOHN DEERE 40C POWER
| Drawbar (claimed) | 15.11 hp/11.3 kW |
| Belt (claimed) | 21.24 hp/15.8 kW |
| Drawbar (tested) | 19.63 hp/14.6 kW |
| Belt (tested) | 25.0 hp/18.6 kW |
ENGINES OVERVIEW
The John Deere 40C features a 1.6L 2-cylinder engine available in both gasoline and all-fuel options, providing versatility in fuel selection for varied applications. Its compact design offers enhanced maneuverability, making it ideal for small to medium-sized farms or residential properties. However, the limited power output may challenge heavy-duty tasks, necessitating careful consideration of operational requirements.
| Description | John Deere 1.6L 2-cyl gasoline/John Deere 1.6L 2-cyl all-fuel |
ENGINE DETAIL 1
The John Deere 40C tractor features a 1.6 L gasoline engine with a low compression ratio of 6.5:1, which can lead to better fuel efficiency but may limit power output compared to higher compression engines. The liquid-cooled, 2-cylinder design provides reliable temperature management, crucial for maintaining performance under load, while the rated RPM of 1850 offers a good balance between torque and speed for agricultural tasks. Maintenance considerations include monitoring the oil (5 qts) and coolant capacities (14 qts), as well as ensuring proper ignition system settings like spark plug and point gaps for optimal engine performance.
| Description | John Deere/gasoline/2-cylinder/liquid-cooled |
| Displacement | 100.5 ci/1.6 L |
| Bore/Stroke | 4.00x4.00 inches/102 x 102 mm |
| 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 |
| Sparkplug gap | 0.025 inches/0.635 mm |
| Point gap | 0.022 inches/0.559 mm |
ENGINE DETAIL 2
The John Deere 40C tractor is powered by a robust 2-cylinder all-fuel engine with a 100.5 ci displacement, offering versatility in fuel options but may require frequent adjustments to optimize performance. The oil bath air cleaner enhances filtration in dusty environments, while a low compression ratio of 6.5:1 indicates suitability for low-octane fuels but may impact power output. With a rated RPM of 1850, it's ideal for low-speed applications, but challenges may arise in high-demand scenarios due to its relatively low power and starter voltage of 6 volts.
| Description | John Deere/all-fuel/2-cylinder/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 |
JOHN DEERE 40C ENGINES
The John Deere 40C features a compact 1.6L 2-cylinder engine, available in both gasoline and all-fuel variants, offering versatility for varied operating environments. Its 11-gallon (41.6 L) fuel tank provides a reasonable operational range, making it suitable for small-scale agriculture and landscaping. However, the limited engine size may lead to reduced power output under heavy loads; optimal for light to moderate tasks rather than heavy-duty applications.
| Description | John Deere 1.6L 2-cyl gasoline/John Deere 1.6L 2-cyl all-fuel |
| Fuel tank | 11 gal/41.6 L |
TRANSMISSION
The John Deere 40C tractor features an unsynchronized gear transmission with 4 forward and 1 reverse gear, which can provide simplicity and robustness in operation. However, the unsynchronized design may require skillful shifting techniques, posing a challenge for inexperienced operators. This tractor is well-suited for basic agricultural tasks where speed variability is less critical, making it ideal for light-duty farming operations.
| Transmission | John Deere |
| Type | unsynchronized gear |
| Gears | 4 forward and 1 reverse |
MECHANICAL
The John Deere 40C features a crawler chassis, providing enhanced traction and stability on uneven terrain, making it suitable for agricultural and construction tasks. Its manual clutches for steering may require more operator skill, but can allow for precise maneuverability in tight spaces. The open operator station offers good visibility; however, it may expose the operator to harsh weather conditions without a protective cab.
| Chassis | crawler |
| Steering | manual clutches |
| Brakes | mechanical contracting band |
| Cab | Open operator station. |
| Transmission | 4-speed unsynchronized gear |
JOHN DEERE 40C TRACKS
| Size | 12 inch tracks (10, 14 optional) |
DIMENSIONS
| Wheelbase | 56 inches/142 cm |
| Weight | 4,500 lbs/2041 kg/6,000 lbs/2721 kg (with blade) |
DIMENSIONS & TRACKS
| Wheelbase | 56 inches/142 cm |
| Weight | 4500 to 6000 pounds |
| Description | 12 inch tracks (10, 14 optional) |
40C SERIAL NUMBERS
| Location | Left side of tractor, behind bell housing |
| 1953 | 60001 |
| 1954 | 62264 |
| 1955 | 66020 |
| Final | 71689 |
BELT PULLEY
| Diameter | 9.1 inches/23 cm |
| Width | 6.125 inches/15 cm |
| RPM | 1267 |
| Speed | 3006 ft/min/916.23 meters/min |
ELECTRICAL
| Ground | positive |
| Battery volts | 6 |