Compare/J.I. Case 310G vs J.I. Case 420

J.I. Case 310G vs J.I. Case 420

Verdict: J.I. Case 310G vs J.I. Case 420

The J.I. Case 310G 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 420 is the lighter machine (4,767 kg vs 5,300 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 310G is the newer design (1964 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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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

gasolineReference

dieselReference

Drive

crawlerReference

Variants

310G

dozerReference

—

310G Loader

track-loaderReference

—

Engine

Fuel tank

60.6 LReference

—

Engine

31.6 kWReference

31.3 kWReference

Drawbar (claimed)

23.6 kWReference

—

Power Angling dozer length

332 cmReference

—

Power Tilt dozer length

326 cmReference

—

Power Angle/Tilt dozer length

329 cmReference

—

Displacement

2.4 LReference

3.1 LReference

Bore/Stroke

86 x 105 mmReference

97 x 105 mmReference

Power

31.6 kWReference

31.3 kWReference

Air cleaner

oil bathReference

Compression

7.1:1Reference

17.5:1Reference

Rated RPM

1850Reference

Torque

173.6 NmReference

—

Torque RPM

1300Reference

—

Starter

electricReference

Starter volts

12Reference

Fuel system

—

carburetorReference

Idle RPM

—

700-2025Reference

Firing order

—

1-3-4-2Reference

Coolant capacity

—

11.4 LReference

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

Type

gearReference

Gears

3 forward and 1 reverseReference

Clutch

—

235mm dry discReference

Dimensions

Weight

5300 to 5590 poundsReference

4558 kgReference

Length

236 cmReference

519 cmReference

Mechanical Angling dozer length

298 cmReference

274 cmReference

Height (steering wheel)

147 cmReference

—

Height (exhaust)

193 cmReference

161 cmReference

Gas Weight

2404 kgReference

—

Diesel Weight

2535 kgReference

—

Ground clearance

38 cmReference

—

Clearance (drawbar)

27 cmReference

—

Gauge

121 cmReference

High Lift dozer length

—

292 cmReference

Height (hood)

—

142 cmReference

J.I. Case 310G attachments

310G Serial Numbers

1964

3023001Reference

—

1965

3024301Reference

—

1966

3028601Reference

—

1967

3032301Reference

—

1968

3036801Reference

—

1969

3039456Reference

—

1970

3042701Reference

—

Attachment overview

J.I. Case Backhoe

Backhoe type

J.I. Case BackhoeReference

J.I. Case 420 BackhoeReference

Transport height

320 cmReference

307 cmReference

Digging depth

426 cmReference

365 cmReference

Reach from pivot

509 cmReference

492 cmReference

Loading height

340 cmReference

320 cmReference

Swing Arc

190°Reference

180°Reference

J.I. Case 310G Tracks

Width

157 cmReference

153 cmReference

Length on ground

160 cmReference

144 cmReference

Area on ground

1.0 m²Reference

0.8 m²Reference

Capacities

Fuel

—

37.9 LReference

Diameter

—

21 cmReference

RPM

—

1160Reference

PTO & Hydraulics

Hydraulic system

—

22.7 LReference

Capacity

—

22.7 LReference

Pressure

—

101.7 barReference

Pump flow

—

71.9 lpmReference

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

J.I. Case 420 attachments

420 Serial Numbers

1959

—

3008188 (420)Reference

1960

—

3012301 (420B)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

J.I. Case 420 Backhoe

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.