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 listed engine power is 55.58 hp 41.4 kW. Transmission: Case-O-Matic. Operating weight: 6,775 lbs 3073 kg.
Engine Power
55.58 hp
41.4 kW
Fuel & Capacities
LP gas
Transmission
Case-O-Matic
Operating Weight
6,775 lbs
3073 kg
Overview
 | 1958 - 1960
800 B SeriesRow-Crop tractor
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. | |
Recommended Implements & Sizing Guide
Engineering recommendations for J I Case J.I. Case 811-B based on its 55.58 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for J I Case J.I. Case 811-B.
Estimated Continuous Field Runtime: 1.8 hrs
Approximately 1.8 hours of continuous field operation at ~75% rated power on a full tank (5.2 gal / 19.7 L).
Estimated 75% Load Fuel Burn~2.9 gal/hr (10.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
J I Case J.I. Case 811-B Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for J I Case J.I. Case 811-B.
Converted Equivalents:
Horsepower (HP)55.6 hp
Kilowatts (kW)41.4 kW
Metric Horsepower (PS / CV)56.4 PS
Direct Competitor Comparison
Compare J.I. Case 811-B against same-era industry alternatives in the same horsepower class.
Current Model
J I Case
J.I. Case 811-B
Engine Power:55.58 hp
41.4 kW
★ Baseline Reference
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