| Manufacturer | Case |
| Price | 5,700(USD) |
| Model | 730 |
| Equipment Type | Standard-Tread Tractors |
| Factory | Racine, Wisconsin, USA |
VARIANTS
| 732 | Western Special diesel |
| 733 | high-clearance diesel |
| 734 | orchard diesel |
| 740 | row-crop gas |
| 742 | Western Special gas |
| 743 | high-clearance gas |
| 744 | orchard gas |
J.I. CASE 730 POWER
| PTO (claimed) | 56hp / 41.8kW |
| Plows | 5 |
ENGINE DETAIL
The Case 730 tractor's 4.4L diesel engine delivers robust performance with a high compression ratio of 15.2:1, allowing for efficient fuel combustion and torque generation at rated RPMs of 1700 (Dual-Range) and 1900 (Case-o-Matic). It features a 12-volt starter system and a generous oil and coolant capacity (9 qts and 30 qts respectively), which aids in extended operation under heavy loads but necessitates regular maintenance to avoid overheating and ensure lubrication. Given its firing order of 1-3-4-2, this design minimizes vibrations, enhancing operator comfort during prolonged use, particularly in fieldwork scenarios.
| Description | J.I. Case diesel 4-cylinder liquid-cooled |
| Displacement | 267ci / 4.4L |
| Bore/Stroke | 4.125x5.00inches / 105x 127mm |
| Compression | 15.2:1 |
| Rated RPM | 1700 (Dual-Range)/1900 (Case-o-Matic) |
| Firing order | 1-3-4-2 |
| Starter volts | 12 |
| Oil capacity | 9 qts /8.5 L |
| Coolant capacity | 30qts / 28.4L |
J.I. CASE 730 ENGINE
The J.I. Case 730 tractor features a robust 4.4L 4-cylinder diesel engine, providing efficient fuel economy and reliable torque for demanding field operations. Its compact design allows for enhanced maneuverability, making it ideal for smaller farms or precision tasks. However, potential challenges may include limited power output compared to larger models, which could hinder performance in extensive agricultural applications.
| Description | J.I. Case 4.4L 4-cyl diesel |
TRANSMISSIONS OVERVIEW
The Case 730 tractor features an 8-speed torque converter transmission, providing smooth power delivery and improved performance in varying terrains, making it advantageous for agricultural applications. However, being an unsynchronized transmission can lead to potential difficulties in gear shifting under load, requiring experienced operators to manage the transition effectively. This setup is ideal for scenarios involving heavy pulling or tillage operations, where torque availability is crucial for optimizing performance.
| Description | 8-speed torque converter 8-speed unsynchronized |
TRANSMISSION 1
The Case 730 tractor features a Case-o-matic transmission with a torque converter, providing smooth power delivery and efficient operation across various terrains. Its 8 forward and 2 reverse gears enable versatility in speed and maneuverability, making it suitable for diverse agricultural tasks. However, potential challenges may include higher maintenance requirements for the torque converter system compared to traditional mechanical transmissions.
| Transmission | Case-o-matic |
| Type | torque converter |
| Gears | 8 forward and 2 reverse |
TRANSMISSION 2
The Case 730 tractor features a dual-range unsynchronized transmission with 8 forward and 2 reverse gears, providing versatility for various farming tasks. The mechanical dry disc clutch offers reliable engagement but may require more operator skill to manage gear shifts efficiently compared to synchronized systems. Ideal for applications that demand robust performance, the unsynchronized transmission can present challenges during quick directional changes, potentially affecting operational efficiency.
| Transmission | Dual-Range |
| Type | unsynchronized |
| Gears | 8 forward and 2 reverse |
| Clutch | mechanical dry disc |
MECHANICAL
The Case 730 tractor's 4x2 2WD chassis is ideal for light to moderate fieldwork, but may struggle in adverse terrain compared to 4WD counterparts. The manual or optional power steering offers versatility, though manual steering can be heavy during prolonged use. The 8-speed torque converter transmission provides smoother operation in variable loads, while the unsynchronized option may pose challenges in gear changes for less experienced operators.
| Chassis | 4x2 2WD |
| Steering | manual/power optional |
| Cab | Open operator station |
| Transmissions | 8-speed torque converter 8-speed unsynchronized |
CAPACITY
| Fuel | 31gal / 117.3L |
| Hydraulic system | 17gal / 64.3L |
HYDRAULICS
| Type | open center |
| Capacity | 17gal / 64.3L |
| Valves | 4 |
| Pump flow | 15.5gpm / 58.7lpm |
TRACTOR HITCH
| Rear Type | II |
| Rear lift | 1,350lbs / 612kg |
| Type | Case Eagle Hitch |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/1000 |
J.I. CASE 730 TIRES
The Case 730 tractor features a front tire size of 6.00-16 and a rear tire size of 14.9-30, providing a balanced load distribution and stability for various agricultural tasks. The larger rear tires enhance traction and enable effective power transfer on soft or uneven terrains, ideal for plowing and heavy tilling. However, limited ground clearance may present challenges in particularly rugged fields; thus, it's essential to assess field conditions before operation to optimize performance.
| Ag front | 6.00-16 |
| Ag rear | 14.9-30 |
DIMENSIONS
| Wheelbase | 102inches / 259cm |
| Length | 156inches / 396cm |
| Width | 88inches / 223cm |
| Height | 84inches / 213cm |
| Weight | 7,000lbs / 3175kg |
| Ground clearance | 15inches / 38cm |
DIMENSIONS & TIRES
The Case 730 tractor features a 102-inch wheelbase, providing stability for heavy-duty applications, but potentially limiting maneuverability in tight spaces. Weighing 7,000 lbs, it excels in traction, particularly when equipped with larger rear tires (14.9-30) that enhance ground contact for improved load-bearing capacity. However, the smaller front tires (6.00-16) may restrict front-end support, potentially leading to understeering in steep terrain, so careful load distribution is essential during operation.
| Wheelbase | 102inches / 259cm |
| Weight | 7,000lbs / 3175kg |
| Front tire | 6.00-16 |
| Rear tire | 14.9-30 |
730 SERIAL NUMBERS
| Location | Plate on instrument panel |
| 1960 | 8160001 |
| 1961 | 8168801 |
| 1962 | 8190001 |
| 1963 | 9208001 |
| 1964 | 8229001 |
| 1965 | 8253501 |
| 1966 | 8279001 |
| 1967 | 8306501 |
| 1968 | 8332101 |
| 1969 | 8356251 |
ELECTRICAL
| Ground | negative |
| Charging system | generator |
| Charging amps | 20 |
| Batteries | 2 |
| Battery CCA | 70 |
| Battery volts | 6 |