Equipment

Brands

J.I. Case LA Tractor (1953)

Manufacturer:

J.I. Case

Price:

N/A

Series:

Model:

LA

Factory:

Racine, Wisconsin, USA

Full Specifications

NEBRASKA TRACTOR TEST 480

Description

Gasoline 4-speed 2WD/August 15 - 28, 1952/Link: Nebraska Tractor Test 480 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.

Belt power (max)

58.53 hp/43.6 kW

Belt fuel use (max)

5.8 gal/hour/22.0 l/hour

Max power

51.68 hp/38.5 kW

Max pull

6,659 lbs/3020 kg

NEBRASKA TRACTOR TEST 481

Description

Tractor fuel 4-speed 2WD/August 18 - 29, 1952/Link: Nebraska Tractor Test 481 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.

Belt power (max)

48.86 hp/36.4 kW

Belt fuel use (max)

5.0 gal/hour/18.9 l/hour

Max power

44.51 hp/33.2 kW

Max pull

6,444 lbs/2922 kg

NEBRASKA TRACTOR TEST 482

Description

LP gas 4-speed 2WD/August 21 - September 6, 1952/Link: Nebraska Tractor Test 482 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.

Belt power (max)

59.60 hp/44.4 kW

Belt fuel use (max)

6.7 gal/hour/25.4 l/hour

Max power

51.73 hp/38.6 kW

NEBRASKA TRACTOR TEST 482

Max pull

6,874 lbs/3118 kg

J.I. CASE LA POWER

Drawbar (claimed)

51 hp/38.0 kW

Belt (claimed)

58 hp/43.3 kW

Drawbar (tested)

51.73 hp/38.6 kW

Belt (tested)

59.60 hp/44.4 kW

ENGINES OVERVIEW

Description

J.I. Case 6.6L 4-cyl gasoline/J.I. Case 6.6L 4-cyl tractor fuel/J.I. Case 6.6L 4-cyl LP gas

ENGINE DETAIL 1

Description

J.I. Case/gasoline/4-cylinder/liquid-cooled

Displacement

403.2 ci/6.6 L

Bore/Stroke

4.625x6 inches/117 x 152 mm

Air cleaner

oil bath

Compression

4.83 : 1

Rated RPM

1100

Firing order

1-3-4-2

Starter volts

6

Oil capacity

15 qts/14.2 L

Coolant capacity

61 qts/57.7 L

Sparkplug gap

0.030 inches/0.762 mm

Intake valve clearance

0.018 inches/0.457 mm *Cold

Exhaust valve clearance

0.018 inches/0.457 mm *Cold

ENGINE DETAIL 2

Description

J.I. Case/tractor fuel/4-cylinder/liquid-cooled

Displacement

403.2 ci/6.6 L

Bore/Stroke

4.625x6 inches/117 x 152 mm

Air cleaner

oil bath

Compression

4.09 : 1

Rated RPM

1100

Firing order

1-3-2-4

Starter volts

6

Oil capacity

15 qts/14.2 L

Sparkplug gap

0.030 inches/0.762 mm

Intake valve clearance

0.018 inches/0.457 mm cold

Exhaust valve clearance

0.018 inches/0.457 mm cold

ENGINE DETAIL 3

Description

J.I. Case/LP gas/4-cylinder/liquid-cooled

Displacement

403.2 ci/6.6 L

Bore/Stroke

4.625x6.00 inches/117 x 152 mm

Air cleaner

oil bath

Compression

7.58:1

Rated RPM

1150

Firing order

1-3-2-4

J.I. CASE LA ENGINES

Description

J.I. Case 6.6L 4-cyl gasoline/J.I. Case 6.6L 4-cyl tractor fuel/J.I. Case 6.6L 4-cyl LP gas

Fuel tank

31 gal/117.3 L (gas)/29 gal/109.8 L (tractor fuel)

Aux. fuel

2 gal/7.6 L

TRANSMISSION

Type

unsynchronized gear

Gears

4 forward and 1 reverse

MECHANICAL

Chassis

4x2 2WD

Steering

manual

Brakes

differential mechanical disc

Cab

Open operator station.

Transmission

4-speed unsynchronized gear

POWER TAKE-OFF (PTO)

Rear RPM

550

J.I. CASE LA TIRES

Ag front

7.50-18

Ag rear

15-30

DIMENSIONS

Operating weight

7515 lbs/3408 kg

Ballasted weight

10860 lbs/4926 kg

DIMENSIONS & TIRES

Weight

7515 lbs/3408 kg

Front tire

7.50-18

Rear tire

15-30

LA SERIAL NUMBERS

1940

4400001

1941

4500001

1942

4600001

1943

4700001

1944

4800001

1945

4900001

1946

5000001

1947

5100001

1948

5200001

1949

5300001

1950

5400001

1951

5500001

1952

5600001

1953

5700001

BELT PULLEY

Diameter

13 inches/33 cm

Width

8.25 inches/20 cm

RPM

814

Speed

2770 ft/min/844.30 meters/min