Compare/J.I. Case 310D Loader vs J.I. Case 420

J.I. Case 310D Loader vs J.I. Case 420

Verdict: J.I. Case 310D Loader vs J.I. Case 420

The J.I. Case 310D Loader and the J.I. Case 420 are both industrial tractors — here is how they stack up on the figures that matter. Both are rated at the same 42 hp. J.I. Case 310D Loader is the lighter machine (3,964 kg vs 4,767 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 310D Loader is the newer design (1960 vs 1959). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

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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

42 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

J.I. CaseReference

liquid-cooledReference

dieselReference

Total built

1703Reference

—

Drive

crawlerReference

Variants

310D

tractor/dozerReference

—

Engine

Engine (gross)

31.3 kWReference

—

Displacement

2.4 LReference

3.1 LReference

Power (gross)

31.3 kWReference

—

Air cleaner

oil bathReference

Compression

7.25:1Reference

17.5:1Reference

Torque

173.6 NmReference

—

Torque RPM

1200Reference

—

Starter

electricReference

Starter volts

12Reference

Coolant capacity

11.4 LReference

Engine

—

31.3 kWReference

Bore/Stroke

—

97 x 105 mmReference

Power

—

31.3 kWReference

Fuel system

—

carburetorReference

Rated RPM

—

1850Reference

Idle RPM

—

700-2025Reference

Firing order

—

1-3-4-2Reference

Sparkplug

—

Champion D16Reference

Sparkplug gap

—

0.635 mmReference

Point gap

—

0.508 mmReference

Intake valve clearance

—

0.356 mmReference

Exhaust valve clearance

—

0.356 mmReference

Oil capacity

—

7.1 LReference

Transmission

Gears

3 forward and 1 reverseReference

Clutch

279.4mm dry discReference

235mm dry discReference

Capacities

Fuel

37.9 LReference

Diameter

—

21 cmReference

RPM

—

1160Reference

PTO & Hydraulics

Hydraulic system

34.1 LReference

22.7 LReference

Type

gearReference

Capacity

34.1 LReference

22.7 LReference

Pump flow

56.8 lpmReference

71.9 lpmReference

Rear Type

IReference

—

Rear lift

317 kgReference

—

Pressure

—

101.7 barReference

Rear PTO

—

transmissionReference

Rear PTO Type

—

540 (1.375)Reference

Engine RPM

—

540@1660Reference

Hydraulic Angling dozer length

—

322 cmReference

Hydraulic Crowning dozer length

—

309 cmReference

Dimensions

Weight

3964 kgReference

4558 kgReference

Length

347 cmReference

519 cmReference

Height (hood)

140 cmReference

142 cmReference

Height (exhaust)

175 cmReference

161 cmReference

Ground clearance

40 cmReference

—

Clearance (drawbar)

34 cmReference

—

Gauge

121 cmReference

High Lift dozer length

—

292 cmReference

Mechanical Angling dozer length

—

274 cmReference

J.I. Case 310D Loader attachments

310D Loader Serial Numbers

1960

3012301Reference

3012301 (420B)Reference

J.I. Case 310D Loader Tracks

Width

153 cmReference

Length on ground

144 cmReference

Area on ground

0.8 m²Reference

J.I. Case 420 attachments

420 Serial Numbers

1959

—

3008188 (420)Reference

1961

—

3016001 (420C)Reference

Location:

—

Serial number plate on the left side of the 420, below the arm rest.Reference

Electrical

Ground

—

positiveReference

Charging system

—

generatorReference

Gas Batteries

—

1Reference

Diesel Batteries

—

2Reference

Battery volts

—

12Reference

Gas Battery AH

—

50Reference

Diesel Battery AH

—

105Reference

Attachment overview

J.I. Case 420 Backhoe

Backhoe type

—

J.I. Case 420 BackhoeReference

Transport height

—

307 cmReference

Digging depth

—

365 cmReference

Reach from pivot

—

492 cmReference

Loading height

—

320 cmReference

Swing Arc

—

180°Reference

J.I. Case 420 Tracks

Ground pressure

—

262.1 barReference

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.