Compare/J.I. Case 312-B vs J.I. Case DO

J.I. Case 312-B vs J.I. Case DO

Verdict: J.I. Case 312-B vs J.I. Case DO

The J.I. Case 312-B and the J.I. Case DO are both tractors — here is how they stack up on the figures that matter. J.I. Case 312-B is the newer design (1958 vs 1939). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

J.I. Case

Fit score

Best match

Clear

J.I. Case

Fit score

Best match

Clear

Rated power

null hp

Confidence

40%

Guide price

—

Overview

Manufacturer

J.I. CaseReference

liquid-cooledReference

With 13-26 rear tires.Reference

Total built

48Reference

—

Variants

300B

diesel utilityReference

—

301B

diesel row-cropReference

—

302B

diesel high-cropReference

—

310B

gasoline utilityReference

—

311B

gasoline row-cropReference

—

312B

gasoline high-cropReference

—

320B

industrialReference

—

Engine

Displacement

2.4 LReference

4.3 LReference

Bore/Stroke

86 x 105 mmReference

98 x 140 mmReference

Air cleaner

oil bathReference

—

Compression

7.1:1Reference

4.88:1Reference

Rated RPM

1750Reference

1200Reference

Starter type

electricReference

—

Gas Fuel tank

—

64.3 LReference

Aux. fuel

—

7.6 LReference

Coolant capacity

—

24.6 LReference

Transmission

Gears

12 forward and 3 reverseReference

4 forward and 1 reverseReference

Transmission

Tripl-RangeReference

—

Type

—

gearReference

Clutch

—

mechanical wet discReference

312-B Serial Numbers

1958

6095001Reference

—

1959

6120001Reference

—

PTO & Hydraulics

Rear PTO

—

liveReference

Rear PTO Type

—

540Reference

Dimensions

Wheelbase

—

170 cmReference

Length

—

299 cmReference

Height (hood)

—

136 cmReference

Clearance (front axle)

—

35 cmReference

Clearance (rear axle)

—

51 cmReference

Rear tread

—

125 cmReference

Capacities

Diameter

—

31 cmReference

Width

—

173 cmReference

RPM

—

818Reference

Speed

—

798.58 meters/minReference

Speeds

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.