Manufacturer |
John Deere |
Price |
2,350(USD) |
Model |
420C |
Equipment Type |
Agricultural Crawler Tractors |
Factory |
Dubuque, Iowa, USA |
ENGINE DETAIL
The John Deere 420C is powered by a liquid-cooled, 2-cylinder gasoline engine with a displacement of 113ci (1.9L) and a 7.2:1 compression ratio, which can provide moderate power output for light agricultural tasks. Its oil bath air cleaner is advantageous for extended filter life, although it may require more maintenance compared to conventional paper filters. The tractor's rated RPM of 1850 is suitable for efficient, low-speed operations, making it a good choice for lighter applications such as gardening or small-scale farming.
Description |
John Deere gasoline 2-cylinder 4-valve liquid-cooled |
Displacemen |
113ci / 1.9L |
Bore/Strok |
4.25x4.00inches / 108x 102mm |
Air cleane |
oil bath |
Compressio |
7.2:1 |
Rated RP |
1850 |
Starter volt |
6 |
Oil capacit |
5qts / 4.7L |
Coolant capacit |
11qts / 10.4L |
JOHN DEERE 420C ENGINE
The John Deere 420C, equipped with a 1.9L 2-cylinder gasoline engine, offers efficient power for small to medium agricultural tasks, ensuring reliable performance in diverse conditions. The 10.5-gallon fuel tank provides a moderate operating range, which can be advantageous for shorter tasks but may necessitate more frequent refueling for extended jobs. Consider the balance between engine power and fuel efficiency when selecting this model for specific applications, particularly in scenarios requiring prolonged operation.
Description |
John Deere 1.9L 2-cyl gasoline |
Fuel tan |
10.5gal / 39.7L |
TRANSMISSIONS OVERVIEW
The John Deere 420C features a 4-speed unsynchronized gear transmission, which allows for straightforward operation but may present challenges during gear shifts, especially under load. In contrast, the 5-speed unsynchronized gear system offers greater versatility with additional gear ratios, improving adaptability to varying terrain and load conditions. This enhancement can lead to more efficient fuel utilization and reduced engine strain when maneuvering in diverse agricultural scenarios.
Description |
4-speed unsynchronized gear 5-speed unsynchronized gear |
TRANSMISSION 1
The John Deere 420C tractor features an unsynchronized transmission with 4 forward and 1 reverse gear, which simplifies operation and reduces manufacturing costs but may limit shifting speed and ease of use under load. This design is advantageous for static or low-speed tasks, yet operators may face challenges when transitioning between gears during dynamic operations. In scenarios requiring frequent or rapid gear changes, this unsynchronized system could hinder efficiency compared to synchronized alternatives.
Manufacture |
John Deere |
Typ |
unsynchronized gear |
Gear |
4 forward and 1 reverse |
TRANSMISSION 2
The John Deere 420C tractor features an unsynchronized 5-speed forward and 1-speed reverse transmission, which may limit ease of shifting under load and can pose challenges for less experienced operators. The simplicity of the unsynchronized gear system can enhance reliability and reduce maintenance needs, making it suitable for straightforward agricultural tasks. However, for applications requiring frequent gear changes, an operator may experience increased physical demand and potential downtime during operational transitions.
Manufacture |
John Deere |
Typ |
unsynchronized gear |
Gear |
5 forward and 1 reverse |
JOHN DEERE 420C TRANSMISSIONS
The John Deere 420C features both a 4-speed and a 5-speed unsynchronized transmission, allowing for efficient power management and versatility in various agricultural tasks. While unsynchronized gear shifts can provide simplicity and durability, they may require more skill from the operator for smooth engagement, especially under load. The choice of gear ratios in different scenarios can enhance productivity; for instance, the 5-speed configuration can offer better torque range for tasks requiring fine speed adjustments.
Description |
4-speed unsynchronized gear 5-speed unsynchronized gear |
MECHANICAL
The John Deere 420C tractor features a crawler drivetrain, providing superior traction and stability on uneven terrain, ideal for construction and field work. Its mechanical disc clutches and band brakes ensure reliable control and braking performance, though they may require regular maintenance to prevent wear. The open operator station offers good visibility but may expose the operator to weather conditions; thus, protective gear is advisable in adverse environments.
Driv |
crawler |
Steerin |
mechanical disc clutches |
Description |
Mechanical band brakes, Open operator station |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
JOHN DEERE 420C TRACKS
DIMENSIONS & TRACKS
Weigh |
4140 to 4700 pounds |
Description |
10-inch tracks |
BELT PULLEY
Diamete |
9inches / 22cm |
Widt |
6inches / 15cm |
RP |
1270 |
Spee |
3000ft/min / 914.40meters/min |
ELECTRICAL
Groun |
positive |
Battery volt |
6 |