Compare/J.I. Case 401 vs J.I. Case 641

J.I. Case 401 vs J.I. Case 641

Verdict: J.I. Case 401 vs J.I. Case 641

The J.I. Case 401 and the J.I. Case 641 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 50 hp. J.I. Case 641 is the newer design (1960 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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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 12-38 rear tires.Reference

Tractors equipped with the Case-o-Matic were sometimes referred to as the 630C.Reference

Total built

5,696Reference

—

Original price

$4,300 (1958)Reference

—

Steering

3.5 LReference

power assistReference

Factories

—

Racine, Wisconsin, USAReference

Variants

400

diesel standardReference

—

401

diesel row-cropReference

—

402

diesel vineyardReference

—

403

diesel high-cropReference

—

405

diesel orchardReference

—

411

gasoline row-cropReference

—

420

diesel industrialReference

—

630

—

diesel standardReference

631

—

diesel row-cropReference

640

—

gas standardReference

641

—

gas row-cropReference

Engine

Belt (claimed)

37.3 kWReference

38.8 kWReference

Plows

4 (14-inch)Reference

—

Drawbar (tested)

25.0 kWReference

32.3 kWReference

Belt (tested)

36.8 kWReference

—

Displacement

4.1 LReference

3.1 LReference

Bore/Stroke

102 x 127 mmReference

97 x 105 mmReference

Air cleaner

oil bathReference

Pre-heating

ether capsulesReference

—

Compression

15:1Reference

7.34:1Reference

Rated RPM

1500Reference

2250Reference

Idle RPM

600-1600Reference

—

Firing order

1-3-4-2Reference

—

Starter volts

12Reference

Coolant capacity

28.0 LReference

—

Intake valve clearance

0.305 mmReference

—

Exhaust valve clearance

0.305 mmReference

—

Oil capacity

56.8 LReference

—

Oil change

120 hReference

—

Belt power (max)

36.8 kWReference

—

Max power

25.0 kWReference

31.3 kWReference

Fuel tank

—

83.3 LReference

Power at rated engine speed

—

37.7 kWReference

Transmission

Powr-rangeReference

Case Dual-RangeReference

Gears

8 forward and 2 reverseReference

4 forward and 1 reverseReference

Oil type

SAE 90Reference

—

Clutch

—

dry discReference

Capacities

Fuel

79.5 LReference

—

Diameter

26 cmReference

23 cmReference

Width

267 cmReference

205 cmReference

RPM

1128Reference

—

Speed

945.18 meters/minReference

—

PTO & Hydraulics

Hydraulic system

9.8 LReference

—

Capacity

9.8 LReference

—

Pressure

41.4 barReference

—

Valves

2 (optional)Reference

—

Total flow

45.4 lpmReference

—

Steering cap.

3.5 LReference

—

Type

Case Eagle HitchReference

gearReference

Rear PTO

independentReference

independent (Case-o-matic)Reference

Rear PTO Type

540 (1.375)Reference

540/1000 (1.375)Reference

PTO (tested)

—

37.7 kWReference

Power at rated PTO speed

—

37.1 kWReference

Dimensions

Wheelbase

256 cmReference

—

Weight

5850 to 6390 poundsReference

—

Front tire

6.00-16Reference

6.00x15Reference

Rear tire

12-38Reference

12.4x36Reference

Ag front

9.00-10 (single)Reference

6.50x16Reference

Ag rear

54" (steel)Reference

13.6x36Reference

Length

386 cmReference

353 cmReference

Ground clearance

61 cmReference

63 cmReference

Front tread

134 to 208 cmReference

111 to 152 cmReference

Rear tread

132 to 274 cmReference

132 to 223 cmReference

Shipping

2772 kgReference

—

Operating

2898 kgReference

—

Ballasted

4474 kgReference

—

Steering wheel

188 cmReference

—

Height (hood)

—

161 cmReference

401 Serial Number Location

401 Serial Numbers

1955

8060000Reference

—

1956

8080001Reference

—

1957

8100001Reference

—

Electrical

Ground

negativeReference

—

Charging system

generatorReference

—

Charging volts

12Reference

—

Batteries

2Reference

—

Battery volts

6Reference

—

Battery AH

150Reference

—

J.I. Case 401 Height

Hood

166 cmReference

—

Exhaust

237 cmReference

—

Test results

Belt fuel use (max)

11.7 l/hourReference

—

Fuel use

9.1 l/hourReference

15.1 l/hourReference

Max pull

2729 kgReference

3117 kgReference

Speeds

641 Serial Number Location

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.