J.I. Case 312-B Tractor

Manufacturer J.I. Case
Price -
Model 312-B
Equipment Type -
Factory Rock Island, Illinois, USA

ENGINE DETAIL

The J.I. Case 312-B tractor features a liquid-cooled 4-cylinder gasoline engine with a modest displacement of 148 ci (2.4L) and a low compression ratio of 7.1:1, which may affect power output but aids in fuel compatibility. At a rated RPM of 1750, it provides efficient torque for agricultural tasks, although it may not excel in high-speed applications. An oil bath air cleaner enhances durability, making it suitable for dusty environments, though maintenance is required to prevent performance drop-off.

Description J.I. Case gasoline 4-cylinder liquid-cooled
Displacement 148ci / 2.4L
Bore/Stroke 3.375x4.125inches / 86x 105 mm
Air cleaner oil bath
Compression 7.1:1
Rated RPM 1750
Starter type electric

J.I. CASE 312-B ENGINE

The J.I. Case 312-B tractor is powered by a 2.4L 4-cylinder gasoline engine, offering efficient fuel combustion and moderate power output suitable for light agricultural tasks. Its compact design allows for enhanced maneuverability in smaller fields, but the limited horsepower may pose challenges for heavy-duty applications. Ideal for small farm operations, this tractor excels in tasks like tilling and planting, where precision and agility are paramount.

Description J.I. Case 2.4L 4-cyl gasoline

TRANSMISSIONS OVERVIEW

The J.I. Case 312-B tractor features a 4-speed transmission, expandable to a 12-speed gear configuration, which allows for greater versatility in various farming conditions and enhances operability at different speeds. The additional speeds can improve fuel efficiency and reduce wear on the drivetrain when traversing varying terrain. However, the complexity of the transmission system may require more maintenance and potential repairs over time, particularly in demanding agricultural scenarios.

Description 4-speed/12-speed

TRANSMISSION 1

The J.I. Case 312-B tractor features a basic transmission system with 4 forward gears and 1 reverse gear, which provides adequate versatility for agricultural tasks and maneuvering in tight spaces. The limited gear selection may present challenges in efficiency during operations requiring more precise speed control or varied terrain handling. However, this simplicity can be advantageous for operators seeking ease of use and lower maintenance in routine farming applications.

Gears 4 forward and 1 reverse

TRANSMISSION 2

The J.I. Case 312-B features a Tripl-Range transmission, allowing for versatile gear shifting with a total of 12 forward and 3 reverse gears. This transmission design enhances operational flexibility for varied tasks, making it suited for both agricultural and transportation applications. However, operators may face a learning curve due to the complexity of gear shifting, particularly in demanding scenarios requiring rapid changes in speed and direction.

Transmission Tripl-Range
Gears 12 forward and 3 reverse

MECHANICAL

The J.I. Case 312-B tractor features a 4x2 2WD chassis, offering simplicity and lower maintenance compared to 4WD systems, making it suitable for flat terrain and light agricultural tasks. Its 4-speed/12-speed transmission provides versatility in speed selection, which can optimize power delivery for varying work conditions, though the limited 2WD may struggle in loose or uneven surfaces. Key considerations include its efficiency for small to medium-scale operations versus the potential challenge in traction when used in hilly or muddy environments.

Chassis 4x2 2WD
Transmissions 4-speed/12-speed

312-B SERIAL NUMBERS

1958 6095001
1959 6120001


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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