JI Case 640

Built: 1960–1969 · Series: 30 er Baureihe

More machines from model year 1960

Source: https://www.technikboerse.com/haendler/voellmer-vieh-und-lan

The 640 from JI Case is part of the 30er series. Production: 1960–1969. The engine delivers 52.7 hp (38.8 kW), has 4 cylinders, with a displacement of 3,087 cm³. The machine is 3,416 mm long, 2,051 mm wide and 1,613 mm high. The unladen weight is 2,039 kg. The wheelbase measures 2,013 mm. Ground clearance is 530 mm. Top speed is 20 km/h. Transmission: 4 V/1 R, 8 V/2 R, 8 V/8 R and 12 V/3 R. The engine is water-cooled. Tyres: front 7.50-16 ASF, rear 16.9-28 AS. The fuel is petrol. The bore measures 96.84 mm. The stroke is 104.78 mm. The compression ratio is 7.34:1. Construction: frame construction. The 30 er Baureihe series covers 24 models. Rated output within it ranges from 34.5 to 103.4 hp; the 640 sits in the lower part of that range with 52.7 hp. Its immediate neighbours are the 631 below it with 50.7 hp and the 730 above it with 58.8 hp. Unladen weight within it ranges from 1,415 to 4,234 kg; here the 640 sits in the lower part of that range with 2,039 kg. 121 JI Case models across 13 series are on record.

J.I. Case 30 series – from 430 to 1031 (1960–1969): Case-o-matic, Comfort King, petrol, LPG and diesel, 25 to 76 kW

The 30 series was J.I. Case's tractor programme of the 1960s from Racine, Wisconsin: in 1960 the 430, 530, 630, 730, 830 and 930 appeared to replace the 300 and 400 models, in 1964 the revised 31s (431, 531, 631, 731, 831, 931) and 41s (441, 541, 641, 741, 841, 941) followed with a new bonnet, and the 1031 of 1966 formed the top with over 100 hp. The number logic: the first digit gives the size class, the second the generation within the range – 30 for the original models, 31 and 41 for the second series; GP stands for General Purpose, the row-crop version with adjustable track, Comfort King for the rubber-mounted operator platform offered from 1965.

Read on 3 more paragraphs

Case offered every fuel in this period: in the register 13 models run on diesel, six on petrol and five on petrol or LPG – a reflection of American farms where propane was cheaper than diesel in the 1960s. The technical hallmark was the Case-o-matic transmission, a torque-converter drive that appeared in 1957 as one of the first in farm machinery and was offered in the 30s alongside the manual gearbox. Values run from 25.4 to 76.1 kW, 2,419 to 7,391 cm³ with four or six cylinders, unladen weights from 1,415 to 4,234 kg, lengths from 3,302 to 4,191 mm and widths from 1,559 to 2,235 mm.

In 1967 Tenneco took over the company and in 1969 the 70 series followed; the 30s are thus the last pure J.I. Case tractors before the conglomerate era that led to Case IH in 1985.

Used, they are sought-after collector and working tractors in the USA. When buying, the condition of the Case-o-matic (converter and clutches), engine wear on the petrol versions, hydraulics and the completeness of the Comfort King equipment are what count.

Sources: SpecCodex register, model data: J.I. Case 30er-Baureihe, Case Corporation (Wikipedia)

Technical data

Engine

Fuel	petrolcorrect
Power	52.7 hp (38.8 kW)correct
Rated speed	2.000/2.250 rpmcorrect
Cylinders	4correct
Displacement	3,087 cm³correct
Bore	96.84 mmcorrect
Stroke	104.78 mmcorrect
Compression ratio	7.34correct
Cooling	water-cooledcorrect

Dimensions and weights

Length	3,416 mmcorrect
Width	2,051 mmcorrect
Height	1,613 mmcorrect
Wheelbase	2,013 mmcorrect
Ground clearance	530 mmcorrect
Unladen weight	2,039 kgcorrect

Drivetrain and chassis

Drive	rear-wheel drivecorrect
Gearbox	4 V/1 R, 8 V/2 R, 8 V/8 R and 12 V/3 Rcorrect
Front tyres	7.50-16 ASFcorrect
Rear tyres	16.9-28 AScorrect
Top speed	20 km/hcorrect

Origin and approval

Construction	frame constructioncorrect

Where this model stands

Power-to-weight ratio: 19 kW/t (39 kW / 2 t)

Power class: Universal (40–100 hp)

Stronger than 36% of the tractors in the register — out of 15,663 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the JI Case 640 have?

The JI Case 640 delivers 52.7 hp.

How much does the JI Case 640 weigh?

The unladen weight is 2,039 kg.

What engine does the JI Case 640 have?

4 cylinders, 3,087 cm³ displacement, Benzin.

How fast does the JI Case 640 go?

Top speed is 20 km/h.

What are the dimensions of the JI Case 640?

3,416 mm × 2,051 mm × 1,613 mm.

When was the JI Case 640 built?

Production years: 1960–1969.

What to check before buying

Check the hour meter against the service records — a replaced instrument is the most common gap.
Compare the data plate and chassis number with the papers.
Check the weights in the papers against the figures here — attachments change them.
Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
Shift the gearbox cold and warm — jumps only show up at temperature.
Load the hydraulics and watch for sag.
Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

Looking for this machine?
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
Request a quote →

Need parts for this model?
We ask the suppliers and come back with price and lead time.
Request spare parts →

This page carries 22 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

Missing a figure you were looking for? Report it →

Know this machine better? Have a photo, a manual, or know that a figure is wrong? Add it to the register →