Compare/J.I. Case 644 vs J.I. Case VAIW

J.I. Case 644 vs J.I. Case VAIW

Verdict: J.I. Case 644 vs J.I. Case VAIW

The J.I. Case 644 and the J.I. Case VAIW are both industrial tractors — here is how they stack up on the figures that matter. J.I. Case VAIW leads on rated power with 17 hp against 14 hp. J.I. Case 644 is the newer design (1972 vs 1942). In short: choose the J.I. Case VAIW for outright pulling power, or the J.I. Case 644 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

14 hp

17 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

J.I. CaseReference

air-cooled horizontal-shaftReference

gasolineReference

Steering

—

manualReference

Engine

10.4 kWReference

—

Displacement

0.5 LReference

2.0 LReference

Bore/Stroke

89 x 83 mmReference

83 x 95 mmReference

Power

10.4 kWReference

—

Compression

6:1Reference

Rated RPM

3600Reference

1425Reference

Starter

electricReference

—

Starter volts

12Reference

6Reference

Sparkplug gap

0.635 mmReference

Point gap

0.508 mmReference

Intake valve clearance

0.254 mmReference

0.356 mmReference

Exhaust valve clearance

0.508 mmReference

0.356 mmReference

Oil capacity

1.4 LReference

—

Oil change

25 hReference

—

Drawbar (claimed)

—

9.7 kWReference

Air cleaner

—

oil bathReference

Firing order

—

1-3-4-2Reference

Coolant capacity

—

12.3 LReference

Transmission

Hy-DriveReference

—

Gears

infinite forward and reverse (2-range)Reference

4 forward and 1 reverseReference

Capacities

Fuel

18.9 LReference

—

PTO & Hydraulics

Hydraulic system

11.4 LReference

—

Type

hydraulic driveReference

gearReference

Capacity

11.4 LReference

—

Pressure

158.6 barReference

—

Pump flow

34.1 lpmReference

—

Rear Type

0Reference

—

PTO (claimed)

—

12.7 kWReference

Dimensions

Wheelbase

121 cmReference

—

Weight

512 kgReference

—

Front tire

5.70-8Reference

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Rear tire

27x8.50-15Reference

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Industrial front

5.70-8Reference

—

Industrial rear

27x8.50-15Reference

—

Length

274 cmReference

—

Width

104 cmReference

—

Height (steering wheel)

109 cmReference

—

Ground clearance

20 cmReference

—

Front tread

75 cmReference

—

Rear tread

82 cmReference

—

Ag front

—

5.50-15Reference

Ag rear

—

10-28Reference

J.I. Case 644 attachments

644 Serial Numbers

Location:

Serial number plate on left side of tractor, just ahead of steering column.Reference

—

Electrical

Ground

negativeReference

positiveReference

Charging system

flywheel alternatorReference

—

Charging volts

12Reference

—

Battery volts

12Reference

6Reference

Battery AH

32Reference

—

Attachment overview

Variants

—

standard treadReference

VAC

—

row-cropReference

VAI

—

industrialReference

VAIW

—

warehouseReference

VAIW Serial Numbers

1942

—

4600001Reference

1943

—

4700001Reference

1944

—

4800001Reference

1945

—

4900001Reference

1946

—

5000001Reference

1947

—

5100001Reference

1948

—

5200001Reference

1949

—

5300001Reference

1950

—

5400001Reference

1951

—

5500001Reference

1952

—

5600001Reference

1953

—

5700001Reference

1954

—

5800001Reference

1955

—

5900001Reference

Links

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.