| Manufacturer |
J.I. Case |
| Price |
4,500(USD) |
| Model |
630 |
| Equipment Type |
Utility Tractors |
| Factory |
Rock Island, Illinois, USA |
VARIANTS
NEBRASKA TRACTOR TEST 787 2
| Description |
Diesel Case-O-Matic 2WD April 7 - 21, 1961 Link: Nebraska Tractor Test 787 file PTO performance Drawbar performance Gear 5 used for power test Gear 1 used for pull test |
| Power at rated engine speed |
48.85hp / 36.4kW |
| Fuel use |
3.5gal/hour / 13.2l/hour |
| Power at rated PTO speed |
45.24hp / 33.7kW |
| Max power |
43.71hp / 32.6kW |
| Max pull |
7,190lbs / 3261kg |
NEBRASKA TRACTOR TEST 788 2
| Description |
Diesel 12-speed 2WD April 10 - 22, 1961 Link: Nebraska Tractor Test 788 file PTO performance Drawbar performance Gear 7 used for power test Gear 1 used for pull test |
| Power at rated engine speed |
48.24hp / 36.0kW |
| Fuel use |
3.2gal/hour / 12.1l/hour |
| Power at rated PTO speed |
47.40hp / 35.3kW |
| Max power |
40.68hp / 30.3kW |
| Max pull |
6,987lbs / 3169kg |
J.I. CASE 630 POWER
| Belt (claimed) |
50hp / 37.3kW |
| Plows |
4 |
| Drawbar (tested) |
43.71hp / 32.6kW |
| PTO (tested) |
48.85hp / 36.4kW |
ENGINE DETAIL
The J.I. Case 630 tractor features a robust 4-cylinder diesel engine with a displacement of 3.1L, providing sufficient power for agricultural tasks. With a compression ratio of 17.5:1, this model offers efficient fuel combustion, enhancing torque and overall engine performance at a rated RPM of 2250, ideal for various heavy-duty applications. Notably, the 12-volt starter system facilitates reliable ignition, though potential challenges may arise in colder climates where additional heating solutions may be needed for optimal starting.
| Description |
J.I. Case diesel 4-cylinder liquid-cooled |
| Displacement |
188.4ci / 3.1L |
| Bore/Stroke |
3.8125x4.125inches / 97x 105mm |
| Compression |
17.5:1 |
| Rated RPM |
2250 |
| Starter volts |
12 |
J.I. CASE 630 ENGINE
The J.I. Case 630 features a robust 3.1L 4-cylinder diesel engine, providing efficient fuel combustion and power delivery, suited for mid-range agricultural tasks. With a 22-gallon (83.3L) fuel tank, it offers extended operational periods between refueling, enhancing productivity in the field. However, users should consider the weight and size of the tractor's engine when maneuvering in tighter spaces, as it may impact agility.
| Description |
J.I. Case 3.1L 4-cyl diesel |
| Fuel tank |
22gal / 83.3L |
TRANSMISSIONS OVERVIEW
The J.I. Case 630 tractor features a robust 8-speed torque converter transmission, enhancing its versatility in various agricultural tasks. The 12-speed gear system allows for optimal power management and improved fuel efficiency, while the 4-speed gear offers straightforward engagement for simpler applications. This combination provides both precision in fieldwork and efficiency during transport, making it ideal for a wide range of farming operations.
| Description |
8-speed torque converter 12-speed 8-speed 4-speed gear |
TRANSMISSION 1
The J.I. Case 630 tractor features a Case-o-Matic transmission with a torque converter, providing smooth power transfer and reducing operator fatigue during operation. Its 8 forward and 2 reverse gears enhance versatility for various tasks, while the hydraulic wet disc clutch offers reliable braking and increased longevity. However, the complexity of the Case-o-Matic system may pose challenges in maintenance compared to traditional transmissions, particularly in agriculture where simplicity is often preferred.
| Transmission |
Case Case-o-matic |
| Type |
torque converter |
| Gears |
8 forward and 2 reverse |
| Clutch |
hydraulic wet disc |
| Description |
Tractors equipped with the Case-o-Matic were sometimes referred to as the 630C |
TRANSMISSION 2
The J.I. Case 630 features a Case Tripl-Range transmission, providing 12 forward and 3 reverse gears for enhanced versatility, making it suitable for varied tasks like plowing and transport. Its dry disc clutch ensures a durable engagement with minimal maintenance; however, it may require more force than hydraulic counterparts under heavy loads. Overall, this transmission setup allows for efficient power management but may pose challenges in operator ease during frequent gear changes.
| Transmission |
Case Tripl-Range |
| Gears |
12 forward and 3 reverse |
| Clutch |
dry disc |
TRANSMISSION 3
The J.I. Case 630 tractor features a Case Dual-Range transmission, providing versatility with 8 forward and reverse gears, ideal for various agricultural tasks and speed adjustments. The dry disc clutch ensures reliable engagement but may require more frequent maintenance compared to wet clutches. This setup balances power and control, making it suitable for both fieldwork and transportation within tight timelines.
| Transmission |
Case Dual-Range |
| Gears |
8 forward and reverse |
| Clutch |
dry disc |
TRANSMISSION 4
The J.I. Case 630 tractor features a 4-speed forward and 1-speed reverse gear system, allowing for versatile speed and torque management in various agricultural tasks. Its dry disc clutch provides reliable engagement and smooth operation, albeit with potential challenges in slippage under heavy loads or excessive wear over time. This configuration is advantageous for farms needing dependable functionality without complex shifting mechanisms, ideal for a range of operations from tilling to hauling.
| Type |
gear |
| Gears |
4 forward and 1 reverse |
| Clutch |
dry disc |
MECHANICAL
The J.I. Case 630 tractor features a 4x2 2WD chassis, which provides simplicity and lower maintenance costs, but may limit traction in challenging terrains. Its power assist steering enhances maneuverability, making it ideal for lighter agricultural tasks, while the differential mechanical dry disc brakes offer reliable stopping power, although they may require more frequent adjustments. The 12-speed torque converter transmission allows for versatile speed management, beneficial for varied field operations, yet can be complex to operate for inexperienced users.
| Chassis |
4x2 2WD |
| Steering |
power assist |
| Brakes |
differential mechanical dry disc |
| Cab |
Open operator station |
| Transmissions |
8-speed torque converter 12-speed 8-speed 4-speed gear |
HYDRAULICS
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
continuous/independent (Case-o-matic) |
| Rear RPM |
540 (1.375)/540/1000 (1.375) |
J.I. CASE 630 TIRES
The J.I. Case 630 tractor's tire specifications indicate a front tire size of 7.50-16 and a rear size of 16.9-28, providing a balance between maneuverability and stability. The larger rear tires enhance traction, especially in agricultural applications, while the front tires offer improved steering control. However, the specific tire sizes may limit compatibility with certain implements, necessitating careful selection for optimal performance.
| Ag front |
7.50-16 |
| Ag rear |
16.9-28 |
DIMENSIONS
| Front tread |
52inches / 132cm |
| Rear tread |
48 to 76inches / 121to 193cm |
J.I. CASE 630 WEIGHT
| Operating |
4,600lbs / 2086kg 4,800lbs / 2177kg (Case-o-Matic) |
| Ballasted |
9,725lbs / 4411kg |
DIMENSIONS & TIRES
The J.I. Case 630 tractor, weighing between 4600 to 4800 pounds, offers a solid balance of stability and maneuverability, ideal for various agricultural tasks. Its front tire size of 7.50-16 provides good steering control, while the larger rear tire size of 16.9-28 enhances traction and weight distribution, making it suitable for plowing and heavy-duty tillage. However, its weight may limit its operation on softer terrains, necessitating careful planning for field conditions.
| Weight |
4600 to 4800 pounds |
| Front tire |
7.50-16 |
| Rear tire |
16.9-28 |
630 SERIAL NUMBERS
| Location |
instrument panel |
| 1960 |
6144001 |
| 1961 |
6162601 |
| 1962 |
8190001 |
| 1963 |
8208001 |
BELT PULLEY
| Diameter |
9.25inches / 23cm |
| Width |
6inches /15cm |
ELECTRICAL
| Ground |
positive |
| Batteries |
2 |
| Battery volts |
6 |
