Compare/J.I. Case 420 vs J.I. Case 430CK Construction King

J.I. Case 420 vs J.I. Case 430CK Construction King

Verdict: J.I. Case 420 vs J.I. Case 430CK Construction King

The J.I. Case 420 and the J.I. Case 430CK Construction King 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 430CK Construction King is the lighter machine (3,435 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 430CK Construction King 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.

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

42 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

J.I. CaseReference

dieselReference

With 14.9-24 rear tires.Reference

Drive

crawlerReference

—

Engine

31.3 kWReference

—

Displacement

3.1 LReference

Bore/Stroke

97 x 105 mmReference

Power

31.3 kWReference

—

Fuel system

carburetorReference

1-inch carburetorReference

Air cleaner

oil bathReference

Compression

17.5:1Reference

Rated RPM

1850Reference

1750Reference

Idle RPM

700-2025Reference

600-1925Reference

Firing order

1-3-4-2Reference

Starter

electricReference

—

Starter volts

12Reference

Coolant capacity

11.4 LReference

15.6 LReference

Sparkplug

Champion D16Reference

Autolite BT3Reference

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

16.1 LReference

Fuel tank

—

83.3 LReference

Engine (gross)

—

31.3 kWReference

Power (gross)

—

31.3 kWReference

Torque

—

180.3 NmReference

Torque RPM

—

1250Reference

Oil change

—

120 hReference

Transmission

Gears

3 forward and 1 reverseReference

4 forward and reverseReference

Clutch

235mm dry discReference

11-inch dry discReference

Transmission

—

Triple RangeReference

Capacities

Fuel

37.9 LReference

—

Diameter

21 cmReference

—

Width

153 cmReference

195 cmReference

RPM

1160Reference

—

PTO & Hydraulics

Hydraulic system

22.7 LReference

—

Type

gearReference

mechanical shuttleReference

Capacity

22.7 LReference

—

Pressure

101.7 barReference

—

Pump flow

71.9 lpmReference

62.5 lpmReference

Rear PTO

transmissionReference

liveReference

Rear PTO Type

540 (1.375)Reference

Engine RPM

540@1660Reference

533@1750Reference

Hydraulic Angling dozer length

322 cmReference

—

Hydraulic Crowning dozer length

309 cmReference

—

Rear Type

—

IIReference

Control

—

position and Draft-O-Matic controlReference

Dimensions

Weight

4558 kgReference

1215 kgReference

Length

519 cmReference

—

High Lift dozer length

292 cmReference

—

Mechanical Angling dozer length

274 cmReference

—

Height (hood)

142 cmReference

—

Height (exhaust)

161 cmReference

—

Gauge

121 cmReference

—

Gas Wheelbase

—

196 cmReference

Diesel Wheelbase

—

199 cmReference

Front tire

—

7.50-16Reference

Rear tire

—

14.9-24Reference

Industrial front

—

6.50-16Reference

Industrial rear

—

16.9-24Reference

Gas Length

—

296 cmReference

Diesel Length

—

299 cmReference

Height (steering wheel)

—

150 cmReference

Clearance (front axle)

—

39 cmReference

Front tread

—

137 cmReference

Rear tread

—

132 to 162 cmReference

Gas Shipping

—

1558 kgReference

Diesel Shipping

—

1644 kgReference

Max front axle

—

3175 kgReference

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

Serial number plate on the right side of the instrument panel.Reference

Electrical

Ground

positiveReference

negativeReference

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

J.I. Case BackhoeReference

Transport height

307 cmReference

356 cmReference

Digging depth

365 cmReference

304 cmReference

Reach from pivot

492 cmReference

472 cmReference

Loading height

320 cmReference

342 cmReference

Swing Arc

180°Reference

J.I. Case 420 Tracks

Length on ground

144 cmReference

—

Area on ground

0.8 m²Reference

—

Ground pressure

262.1 barReference

—

Variants

430

—

ag tractorReference

J.I. Case 430CK attachments

430CK Serial Numbers

J.I. Case Backhoe

2-Foot flat digging depth

—

292 cmReference

Bucket force

—

3210 kgReference

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.