| Manufacturer |
Case |
| Price |
4,000(USD) |
| Model |
611-B |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Rock Island, Illinois, USA |
VARIANTS
NEBRASKA TRACTOR TEST 687 2
| Description |
Gasoline 8-speed 2WD 3/19/1959 Link: Nebraska Tractor Test 687 file PTO performance Drawbar performance Gear 5 used for power test. Gear 2 used for pull test |
| Power at rated engine speed |
44.56hp / 33.2kW |
| Fuel use |
4.4gal/hour / 16.7l/hour |
| Power at rated PTO speed |
41.14hp / 30.7kW |
| Max power |
37.04hp / 27.6kW |
| Max pull |
5,462lbs / 2477kg |
J.I. CASE 611-B POWER
| PTO (claimed) |
45hp / 33.6kW |
| Drawbar (tested) |
37.04hp / 27.6kW |
| PTO (tested) |
44.56hp / 33.2kW |
ENGINE DETAIL
The Case 611-B tractor features a 4-cylinder gasoline engine with a moderate displacement of 164.5 ci (2.7L) and a compression ratio of 7.26:1, allowing for reliable operation at a rated RPM of 2250. The oil bath air cleaner ensures effective filtration, while the 12-quart coolant capacity facilitates efficient thermal management, benefiting prolonged operation in various field conditions. Challenges may include potential power limitations for heavy-duty applications due to the engine's design, necessitating consideration for specific farming tasks.
| Description |
J.I. Case gasoline 4-cylinder liquid-cooled |
| Displacement |
164.5ci / 2.7L |
| Bore/Stroke |
3.5625x4.125inches / 90x 105 mm |
| Air cleaner |
oil bath |
| Compression |
7.26:1 |
| Rated RPM |
2250 |
| Starter |
electric |
| Starter volts |
12 |
| Coolant capacity |
12qts / 11.4L |
ENGINE OIL
The Case 611-B tractor has an oil capacity of 5 quarts (4.7 liters), which allows for effective lubrication and cooling of the engine components. Regular oil changes every 100 hours are crucial for maintaining optimal engine performance and prolonging the life of the machinery, as old oil can lead to reduced efficiency and increased wear. Users should monitor operating conditions closely, as high-load scenarios may necessitate more frequent oil changes to avoid potential engine damage.
| Oil capacity |
5 qts /4.7 L |
| Oil change |
100 h / |
J.I. CASE 611-B ENGINE
The Case 611-B tractor features a 2.7L 4-cylinder gasoline engine, providing a balance of power and fuel efficiency suitable for medium-duty tasks. Its compact design makes it ideal for small to mid-sized farms, facilitating maneuverability in tight spaces, though it may lack the horsepower for heavy-duty operations. Key considerations include the potential for higher fuel consumption compared to diesel alternatives and maintenance complexity associated with gasoline engines.
| Description |
J.I. Case 2.7L 4-cyl gasoline |
TRANSMISSION
The Case 611-B tractor features a Case-O-Matic transmission, which incorporates a torque converter, enhancing power delivery and allowing smoother operation across varying terrains. With 8 forward and 2 reverse gears, it provides versatility for different operational scenarios, though the complexity of the torque converter may present maintenance challenges. The substantial oil capacities—44 quarts for the gearbox and 16 quarts for the torque converter—ensure effective lubrication, crucial for longevity and optimal performance.
| Transmission |
Case-O-Matic |
| Type |
torque converter |
| Gears |
8 forward and 2 reverse |
| Oil capacity |
44qts / 41.6L (gearbox)/16qts / 15.1L (torque converter) |
SPEEDS
| Description |
With 12.4-36 rear tires and torque converter engaged. Speeds are 25% faster with torque converter locked./ |
MECHANICAL
The Case 611-B tractor features a 4x2 2WD chassis, which provides good maneuverability for flat terrain but may struggle in soft or uneven conditions compared to 4WD models. Its manual steering system offers simplicity and lower maintenance costs, though it may require more operator effort during extended use. The 8-speed torque converter transmission aids in smooth power delivery, enhancing performance in various farming tasks, while the open operator station may compromise comfort and protection in adverse weather conditions.
| Chassis |
4x2 2WD |
| Steering |
manual |
| Brakes |
disc |
| Cab |
Open operator station. |
| Transmission |
8-speed torque converter |
CAPACITY
| Fuel |
13.8gal / 52.2L |
| Hydraulic system |
3 gal /11.4 L |
HYDRAULICS
| Type |
open center |
| Capacity |
3 gal /11.4 L |
| Pressure |
1200psi / 82.7bar |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540 (1.375) |
| Engine RPM |
541@1970 |
J.I. CASE 611-B TIRES
The Case 611-B tractor features a front tire size of 6.50-16 and rear tires options of 11.2-36 or 13.9-36, providing good traction and stability for various agricultural tasks. The larger rear tire option enhances ground contact and reduces soil compaction, making it suitable for field operations like plowing or tilling. However, the selection of tire size can affect maneuverability in tighter spaces, so consideration of the operating environment is crucial.
| Ag front |
6.50-16 |
| Ag rear |
11.2-36/13.9-36 |
DIMENSIONS
| Wheelbase |
87inches / 220cm |
| Length |
138inches / 350cm |
| Width |
80.75inches / 205cm *Width at axle ends. |
| Height (steering wheel) |
65.5inches / 166cm |
| Height (exhaust) |
85.5inches / 217cm |
| Operating weight |
4885lbs / 2215kg |
| Ballasted weight |
8049lbs / 3651kg |
| Front tread |
44 to 60inches / 111to 152 cm (narrow wide front) |
| Rear tread |
54 to 88inches / 137to 223 cm |
DIMENSIONS & TIRES
The Case 611-B tractor features a compact wheelbase of 87 inches, enhancing maneuverability in confined spaces but potentially limiting stability on uneven terrain. Weighing 4,885 lbs, it provides sufficient ground traction for various applications, though it may require additional ballast for optimal performance in heavier tasks. The tire specifications (6.00-16 front and 12.4-36 rear) suggest a balanced design for agricultural work, offering good flotation and traction, but careful attention to tire pressure is crucial to avoid soil compaction.
| Wheelbase |
87inches / 220cm |
| Weight |
4885lbs / 2215kg |
| Front tire |
6.00-16 |
| Rear tire |
12.4-36 |
J.I. CASE 291B LOADER
| Loader weight |
1040lbs / 471kg |
| Height (to pin) |
114inches / 289cm |
| Dump angle |
50° |
| Breakout force (lift) |
2400lbs / 1088kg |
| Bucket width |
40inches / 101cm |
611-B SERIAL NUMBERS
| Location |
Serial number plate on instrument panel |
| 1958 |
6095001 |
| 1959 |
6120001 |
BELT PULLEY
| Diameter |
9.25inches / 23cm |
| Width |
6.4inches / 16cm |
| RPM |
1360 |
| Speed |
3290ft/min / 1002.79 meters/min |
ELECTRICAL
| Ground |
positive |
| Battery volts |
12 |
| Battery AH |
50 |
