Compare/J.I. Case 425 vs J.I. Case 580B Construction King

J.I. Case 425 vs J.I. Case 580B Construction King

Verdict: J.I. Case 425 vs J.I. Case 580B Construction King

The J.I. Case 425 and the J.I. Case 580B Construction King are both industrial tractors — here is how they stack up on the figures that matter. Both are rated at the same 50 hp. J.I. Case 580B Construction King is the newer design (1971 vs 1955). 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

50 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

J.I. CaseReference

With 13-30 rear tires.Reference

With 14.9x24 rear tires and hand controls. Foot pedals limited to 10MPH.Reference

Total built

205Reference

—

Final drives

bull gearReference

—

Steering

power optionalReference

hydrostatic powerReference

Variants

400

diesel standardReference

—

401

diesel row-cropReference

—

402

diesel vineyardReference

—

403

diesel high-cropReference

—

405

diesel orchardReference

—

410

gasoline standardReference

—

411

gas row-cropReference

—

413

gas high-cropReference

—

420

diesel industrialReference

—

425

gas industrialReference

—

Engine

Belt (claimed)

37.3 kWReference

—

Displacement

4.1 LReference

2.6 LReference

Bore/Stroke

102 x 127 mmReference

89 x 105 mmReference

Fuel system

carburetorReference

—

Air cleaner

oil bathReference

dry elementReference

Compression

6.5:1Reference

7.42:1Reference

Rated RPM

1500Reference

2100Reference

Idle RPM

600-1665Reference

—

Firing order

1-3-4-2Reference

—

Starter volts

6Reference

12Reference

Coolant capacity

28.0 LReference

13.2 LReference

Sparkplug

Champion 8Reference

—

Sparkplug gap

0.635 mmReference

—

Point gap

0.508 mmReference

—

Intake valve clearance

0.305 mmReference

—

Exhaust valve clearance

0.508 mmReference

—

Oil capacity

56.8 LReference

3.8 LReference

Engine

—

37.3 kWReference

Power

—

32.1 kWReference

Torque

—

165.4 NmReference

Torque RPM

—

1250Reference

Transmission

Powr-rangeReference

—

Gears

8 forward and reverseReference

infinite forward and reverseReference

Oil type

SAE 90Reference

—

Capacities

Fuel

79.5 LReference

83.3 LReference

Aux. fuel

3.8 LReference

—

Diameter

26 cmReference

—

Width

169 cmReference

195 cmReference

RPM

1166Reference

—

Speed

976.88 meters/minReference

—

PTO & Hydraulics

Hydraulic system

9.8 LReference

41.6 LReference

Type

mechanical shuttleReference

hydrostaticReference

Capacity

9.8 LReference

41.6 LReference

Pump flow

45.4 lpmReference

—

Rear PTO

independentReference

optionalReference

Clutch

304.8mm dry discReference

—

Rear PTO Type

540 (1.375)Reference

—

Engine RPM

558@1500Reference

—

Pressure

—

151.7 barReference

Total flow

—

90.8 lpmReference

Rear Type

—

optionalReference

Dimensions

Wheelbase

208 cmReference

196 cmReference

Ag front

7.50-16Reference

—

Ag rear

14-30Reference

—

Length

337 cmReference

660 cmReference

Clearance (front axle)

44 cmReference

—

Front tread

132 to 147 cmReference

137 to 144 cmReference

Rear tread

132 to 162 cmReference

152 to 193 cmReference

Steering wheel

157 cmReference

—

Weight

—

1778 kgReference

Front tire

—

7.50x16Reference

Rear tire

—

14.9x24Reference

Industrial front

—

11Lx16Reference

Industrial rear

—

17.5Lx24Reference

Height (steering wheel)

—

177 cmReference

Height (exhaust)

—

233 cmReference

Ground clearance

—

35 cmReference

Shipping

—

4989 kgReference

425 Serial Numbers

1955

8060000Reference

—

1956

8080001Reference

—

1957

8100001Reference

—

Location:

Top-right of instrument panel.Reference

—

Electrical

Ground

negativeReference

—

Charging system

generatorReference

—

Battery volts

6Reference

—

Battery AH

150Reference

—

Battery Group

4Reference

—

J.I. Case 425 Height

Hood

154 cmReference

—

Exhaust

226 cmReference

—

Speeds

J.I. Case 580B attachments

580B Serial Numbers

1971

—

8674001Reference

1972

—

8691901Reference

1973

—

8712001Reference

1974

—

8736601Reference

1975

—

8770001Reference

1976

—

8797501Reference

Attachment overview

J.I. Case 14.5 Backhoe

Backhoe type

—

J.I. Case 18.5 Extendahoe BackhoeReference

Digging depth

—

426 cmReference

Reach from pivot

—

534 cmReference

Loading height

—

330 cmReference

Bucket force

—

4263 kgReference

Dipperstick force

—

2747 kgReference

J.I. Case 18.5 Extendahoe Backhoe

Digging depth (retracted stick)

—

426 cmReference

Digging depth (extended stick)

—

548 cmReference

Reach from pivot (retracted stick)

—

542 cmReference

Reach from pivot (extended stick)

—

765 cmReference

Loading height (retracted stick)

—

388 cmReference

Loading height (extended stick)

—

450 cmReference

Bucket force (retracted stick)

—

4263 kgReference

Bucket force (extended stick)

—

4263 kgReference

Dipperstick force (retracted stick)

—

2652 kgReference

Dipperstick force (extended stick)

—

1963 kgReference

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.