| Manufacturer |
J.I. 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 J.I. Case 611-B tractor features a liquid-cooled 4-cylinder gasoline engine with a displacement of 2.7L, providing adequate power for agricultural tasks at a rated RPM of 2250. The oil bath air cleaner enhances engine longevity by ensuring efficient filtration, while the low compression ratio of 7.26:1 facilitates operation on lower octane fuels, although this may limit overall power output. With a starter voltage of 12V and a coolant capacity of 12 quarts, the tractor is equipped for reliable starting and temperature management, making it suitable for typical farming scenarios.
| 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 J.I. Case 611-B tractor has an oil capacity of 5 quarts (4.7 liters), which necessitates regular monitoring to ensure optimal engine performance. With a recommended oil change interval of 100 hours, failing to adhere to this schedule may lead to increased wear and potential engine damage. Consistently changing the oil can enhance longevity and efficiency, making it vital for operators to track machine usage accurately.
| Oil capacity |
5 qts /4.7 L |
| Oil change |
100 h |
J.I. CASE 611-B ENGINE
The J.I. Case 611-B tractor features a 2.7L 4-cylinder gasoline engine, providing a balance of power and fuel efficiency suitable for light to moderate agricultural tasks. Pros include easier starting and lower noise levels compared to diesel engines; however, gasoline engines generally offer reduced torque and durability under heavy load conditions. This tractor is well-suited for operations requiring agility and speed, such as mowing or light tilling, but may struggle with demanding tasks like deep plowing or heavy hauling.
| Description |
J.I. Case 2.7L 4-cyl gasoline |
TRANSMISSION
The J.I. Case 611-B features a Case-O-Matic transmission, which utilizes a torque converter to provide smooth power delivery, effectively managing engine load and improving traction in challenging terrain. With 8 forward and 2 reverse gears, this tractor offers versatility in various applications, although the complexity of the system may require specialized knowledge for maintenance. The combined oil capacity of 60 quarts (gearbox and torque converter) emphasizes the need for regular servicing to ensure optimal hydraulic function and longevity.
| 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 J.I. Case 611-B tractor features a 4x2 2WD chassis, making it suitable for flat terrains but limiting its off-road capabilities. Its manual steering system may require more operator effort, especially in tight maneuvers, while the disc brakes provide reliable stopping power under varying loads. The 8-speed torque converter transmission offers enhanced torque multiplication at lower speeds, beneficial for tasks requiring precision, although it may not provide the efficiency of more modern automatic systems.
| 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 J.I. Case 611-B features Ag tires with a front size of 6.50-16, providing adequate steering performance and ground contact in light to medium-duty applications. The rear tire options of 11.2-36 and 13.9-36 enhance traction and load-bearing capacity, making it suitable for plowing and towing tasks. However, the size of the rear tires may limit maneuverability in tight spaces, so consider the field conditions and task requirements when selecting this model.
| 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 J.I. Case 611-B tractor boasts a compact wheelbase of 87 inches, optimizing maneuverability in tight farming scenarios. Weighing 4,885 lbs, its weight distribution aids in traction, particularly with the larger rear tires (12.4-36) for enhanced stability during fieldwork. However, the smaller front tires (6.00-16) may limit load-bearing capacity and could challenge performance in rough terrain, necessitating careful load management.
| 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 |
