J.I. Case 811-B

The J.I. Case 811-B is a tractor produced by J I Case. It is equipped with a 251 ci 4.1 L engine. The rated power output is 53.90 hp 40.2 kW. Transmission: Case-O-Matic. Operating weight: 6,775 lbs 3073 kg.

Overview

	1958 - 1960 800 B SeriesRow-Crop tractor
1958 - 1960
800 B Series
Row-Crop tractor

Production
Manufacturer	J.I. Case
Row-Crop tractor
Built in Racine, Wisconsin, USA
Original price	$4,800 (1960)

Variants
800B	diesel standard
801B	diesel row-crop
802B	diesel Western special
803B	diesel high-crop
810B	gas standard
811B	gas row-crop
812B	gas Western special
813B	gas high-crop

J.I. Case 811-B Transmission
8-speed torque converter
Transmission details ...

J.I. Case 811-B Power
Belt (claimed)	54 hp 40.3 kW
Drawbar (tested)	50.62 hp 37.7 kW
PTO (tested)	55.58 hp 41.4 kW
Belt (tested)	53.90 hp 40.2 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	power
Differential mechanical disc brakes
Open operator station.

Dimensions & Tires
Wheelbase	101.75 inches (wide front) 258 cm
	92.25 inches (tricycle) 234 cm
Weight	6,775 lbs 3073 kg
Front tire	6.00-16
Rear tire	15.5-38
Full dimensions and tires ...

References
800 5 Plow Tractor published in 1958, by J.I. Case
J.I. Case presents published in 1957

Engine

Engine options
J.I. Case 4.1L 4-cyl gasoline
J.I. Case 4.1L 4-cyl LP gas

Engine Detail — 251 ci / 4.1 L Gasoline

Manufacturer	J.I. Case
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	251 ci 4.1 L
Bore/Stroke	4.00x5.00 inches 102 x 127 mm
Air cleaner	oil bath
Compression	6.5:1
Rated RPM	1800
Starter volts	12

Engine Detail — 251 ci / 4.1 L LP Gas

Manufacturer	J.I. Case
Fuel Type	LP gas
Configuration	4-cylinder, liquid-cooled
Displacement	251 ci 4.1 L
Bore/Stroke	4.00x5.00 inches 102 x 127 mm
Air cleaner	oil bath
Compression	8.0:1
Rated RPM	1800
Starter volts	12

Transmission

Transmission — Case-O-Matic

Transmission	Case-O-Matic
Type	torque converter
Gears	8 forward and 2 reverse
Clutch	hydraulic wet disc
Four gears, plus reservse, in two ranges controlled with a single shift lever. Torque converter transmission with bypass to lock in direct drive.

J.I. Case 811-B Transmission

Dimensions

J.I. Case 811-B Tires
Ag front	6.00-16
Ag rear	15.5-38

Dimensions
Wheelbase	101.75 inches (wide front) 258 cm
	92.25 inches (tricycle) 234 cm
Length	152.75 inches (wide front) 387 cm
	143.375 inches (tricycle) 364 cm
Width	85.25 inches 216 cm
Height (hood)	66 inches 167 cm
Operating weight	6,775 lbs 3073 kg
Ballasted weight	9,165 lbs 4157 kg
Front tread	9.128 to 15.128 inches 23 to 38 cm (tricycle)
Front tread	53 to 82 inches 134 to 208 cm
Rear tread	52 to 88 inches 132 to 223 cm
Rear tread	52 to 96 inches 132 to 243 cm (PAVT)
Rear tread	52 to 108 inches 132 to 274 cm (long axle)
Rear tread	52 to 116 inches 132 to 294 cm (PAVT long axle)

Tests

Tractor Tests
NTTL 679: gasoline 8-speed 2WD
NTTL 695: LP gas 8-speed 2WD

Nebraska Tractor Test 679
Gasoline 8-speed 2WD October 27 - November 17, 1958 Link: Nebraska Tractor Test 679 file
Belt power (max)	53.90 hp 40.2 kW
Belt fuel use (max)	5.2 gal/hour 19.7 l/hour
Drawbar performance
Max power	43.83 hp 32.7 kW
Fuel use	4.5 gal/hour 17.0 l/hour
Gear 4 used for power test.
Max pull	7,207 lbs 3269 kg
Gear 2 used for pull test.

Nebraska Tractor Test 695
LP gas 8-speed 2WD April 27 - May 16, 1959 Link: Nebraska Tractor Test 695 file
PTO performance
Power at rated engine speed	55.58 hp 41.4 kW
Fuel use	6.2 gal/hour 23.5 l/hour
Power at rated PTO speed	48.88 hp 36.4 kW
Fuel use	5.2 gal/hour 19.7 l/hour
Drawbar performance
Max power	50.62 hp 37.7 kW
Fuel use	6.2 gal/hour 23.5 l/hour
Gear 4 used for power test.
Max pull	7,159 lbs 3247 kg
Gear 2 used for pull test.