John Deere 730 Tractor

Manufacturer John Deere
Price 3,700(USD)
Model 730
Equipment Type Row-Crop Tractors
Factory Waterloo, Iowa, USA

ENGINES OVERVIEW

The John Deere 730 tractor features a versatile 5.9L 2-cylinder engine available in gasoline, all-fuel, and LP gas variants, as well as a 6.2L 2-cylinder diesel option, providing flexibility for different fuel availability and operational scenarios. Key advantages include adaptability to diverse power demands and fuel preferences, while challenges may arise with older models related to parts availability and maintenance. For efficient agricultural operations, consider the specific fuel type that aligns with your usage pattern and environmental conditions.

Description John Deere 5.9L 2-cyl gasoline John Deere 5.9L 2-cyl all-fuel John Deere 5.9L 2-cyl LP gas John Deere 6.2L 2-cyl diesel

ENGINE DETAIL 1

The John Deere 730 tractor features a robust 5.9L 2-cylinder engine with a low compression ratio of 6.14:1, ideal for providing steady torque for pulling operations, but may limit power output in high-load scenarios. Its oil bath air cleaner enhances filtration efficiency, reducing maintenance frequency, while the 4.514 gallons/hour fuel consumption indicates significant fuel requirements for prolonged operations. The tractor's rated RPM of 1125 is optimal for low-speed applications, which may suit farming tasks but could be a disadvantage in applications requiring higher speeds.

Description John Deere gasoline 2-cylinder 4-valve liquid-cooled
Displacemen 360.5ci / 5.9L
Bore/Strok 6.00x6.375inches / 152x 162 mm
Fuel us 4.514gal/hour / 17.1l/hour
Air cleane oil bath
Compressio 6.14:1
Rated RP 1125
Starter volt 12
Coolant capacit 29qts / 27.4L

ENGINE DETAIL 2

The John Deere 730 features a robust 5.9L all-fuel engine, providing versatility in fuel options, which can be advantageous for varied agricultural needs; however, its compression ratio of 4.91:1 may limit efficiency in power output compared to higher-compression engines. The 360.5ci displacement and 1125 RPM rated speed signify a strong torque delivery suited for heavy-duty applications, while its oil bath air cleaner enhances durability but may require more maintenance. The sizeable coolant capacity of 29 quarts supports effective temperature regulation, critical for sustained operation during extended fieldwork, although this can complicate cooling system maintenance.

Description John Deere all-fuel 2-cylinder 4-valve liquid-cooled
Displacemen 360.5ci / 5.9L
Bore/Strok 6.00x6.375inches / 152x 162 mm
Fuel us 3.891gal/hour / 14.7l/hour
Air cleane oil bath
Compressio 4.91:1
Rated RP 1125
Firing orde 1-2
Starter volt 12
Coolant capacit 29qts / 27.4L

ENGINE DETAIL 3

The John Deere 730 tractor features a robust LP gas 2-cylinder engine with a displacement of 5.9L, providing efficient power for various agricultural tasks, though its relatively low rated RPM of 1125 may limit high-speed operations. The oil bath air cleaner enhances durability in dusty environments, while the 7.94:1 compression ratio balances power output and fuel efficiency, making it suitable for moderate-load applications. However, the 5.984 gallons/hour fuel consumption may present operational cost challenges in extensive deployments, particularly for larger farms or prolonged use.

Description John Deere LP gas 2-cylinder 4-valve liquid-cooled
Displacemen 360.5ci / 5.9L
Bore/Strok 6.00x6.375inches / 152x 162 mm
Fuel us 5.984gal/hour / 22.6l/hour
Air cleane oil bath
Compressio 7.94:1
Rated RP 1125
Firing orde 1-2
Starter volt 12
Coolant capacit 29qts / 27.4L

ENGINE DETAIL 4

The John Deere 730 tractor features a robust diesel 2-cylinder engine with a 376ci (6.2L) displacement and a high compression ratio of 16:1, providing efficient power output for agricultural applications. Its unique starting system incorporates a pony motor for initial ignition, enhancing cold-start capability while the option for an electric starter allows for modern convenience. However, operators should ensure proper engine maintenance and be aware that the 3.153 gallons/hour fuel consumption may impact operational costs, especially during extensive usage.

Description John Deere diesel 2-cylinder 4-valve liquid-cooled
Displacemen 376ci / 6.2L
Bore/Strok 6.125x6.375inches / 156x 162 mm
Fuel us 3.153gal/hour / 11.9l/hour
Air cleane oil bath
Compressio 16:1
Rated RP 1125
Firing orde 1-2
Starte pony motor *Four-cylinder 6V electric-start gasoline pony power used to warm and start the diesel engine./electric *Electric start became available as an option on the 720 Diesel in 1958.
Starter volt 6 (diesel pony)/24 (diesel electric)

JOHN DEERE 730 ENGINES

The John Deere 730 tractor features a versatile range of engine options, including gasoline, all-fuel, LP gas, and diesel, allowing for flexibility based on fuel availability and user preference. With a maximum fuel tank capacity of 33 gallons for LP gas and 20 gallons for diesel, it offers extended operational time, though the all-fuel option provides additional adaptability for various fuel sources. A potential challenge lies in managing the tractor's fuel consumption and performance across different fuel types, necessitating careful consideration of operational scenarios and fuel costs.

Description John Deere 5.9L 2-cyl gasoline John Deere 5.9L 2-cyl all-fuel John Deere 5.9L 2-cyl LP gas John Deere 6.2L 2-cyl diesel
Fuel tan 24.5 gal (all-fuel)/92.7 L/26.5 gal (gasoline)/100.3 L/33 gal (LP gas)/124.9 L/20 gal (diesel)/75.7 L
Aux. fue 1 gal (all-fuel)/3.8 L/0.25 gal (diesel pony)/0.9 L

TRANSMISSION 1

The John Deere 730 tractor features an unsynchronized gear system with 6 forward and 1 reverse gear, which can pose challenges for inexperienced operators during shifting, particularly under load. However, this design offers simplicity and reliability, making it easier to maintain in rural settings. For optimal performance, operators should be aware of the gear ratios to manage power effectively during fieldwork.

Manufacture John Deere
Typ unsynchronized gear
Gear 6 forward and 1 reverse

SPEEDS 1

Description With 13.6-38 rear tires

TRANSMISSION 2

The John Deere 730 features an unsynchronized gear transmission with 6 forward and 1 reverse speed, allowing for flexibility in various agricultural tasks, particularly in moderate terrain. The unsynchronized design may pose challenges during gear shifting under load, potentially leading to increased wear or operational delays. However, its robust build and reliability make it suitable for heavy-duty use in farming operations where power and durability are paramount.

Manufacture John Deere
Typ unsynchronized gear
Gear 6 forward and 1 reverse
Description The

SPEEDS 2

Description With 13.6-38 rear tires

JOHN DEERE 730 TRANSMISSION

The John Deere 730 features a 6-speed unsynchronized transmission, which allows for straightforward shifting between gears but may require precise timing to avoid grinding. This design can be advantageous in applications where speed consistency is vital, though operators may face challenges in engaging gears smoothly, particularly under load. Ideal for tasks requiring steady, controlled power, this transmission type is best suited for experienced operators familiar with manual gear shifting.

Description 6-speed unsynchronized gear

MECHANICAL

The John Deere 730 features a two-wheel drive system, providing adequate traction for light to moderate fieldwork, but may struggle in muddy or hilly terrain. Its mechanical drum brakes offer reliable stopping power, though may require more frequent maintenance compared to modern disc brakes. The open operator station, with an optional Float-Ride seat, enhances operator comfort during extended use, although lack of enclosure may expose the operator to weather elements.

Description Two-wheel drive Differential mechanical drum brakes Open operator station. Optional Float-Ride seat
Steerin manual/power (optional)

HYDRAULICS

Typ open center
Valve 1 or 2

TRACTOR HITCH

Rear Typ II OptOptional

POWER TAKE-OFF (PTO)

Rear PT independent
Rear RP 540

JOHN DEERE 730 TIRES

The John Deere 730 features an Ag front tire configuration of 6.00-16 and a choice of Ag rear tire sizes ranging from 13.6-38 to 15.5-38, which provides a balance between traction and stability for various agricultural tasks. The single front tire design allows for improved maneuverability, but may limit weight distribution compared to dual configurations. Optimal for medium to heavy-duty applications, this tractor excels in plowing, tilling, and other fieldwork in diverse soil conditions, though users should consider potential flotation limitations in extremely muddy terrains.

Ag fron 6.00-16/11.00-12 (single-front)
Ag rea 13.6-38/15.5-38/12-38/13-38

DIMENSIONS & TIRES

The John Deere 730 tractor, with a wheelbase of 93.7 inches, offers stability for various agricultural tasks but may limit maneuverability in tight spaces. Weighing between 6,790 to 7,861 pounds, its robust construction enhances traction and durability for heavy-duty applications but could impede transportability. The tire configurations—6.00-16 front and 13.6-38 rear—provide excellent flotation and grip in diverse soil conditions, making it suitable for both tillage and hauling tasks.

Wheelbas 93.7inches / 237cm
Weigh 6790 to 7861 pounds
Front tir 6.00-16
Rear tir 13.6-38

730 SERIAL NUMBERS

195 7303761
196 7328801
Fina 7330358

730 SERIAL LOCATION

Description Right side of tractor; in front of and below pulley.

BELT PULLEY

Diamete 12.8inches / 32cm
Widt 7.4inches / 18cm
RP 1,125
Spee 3,790ft/min / 1155.19 meters/min

ELECTRICAL

Groun positive *Positive ground for the 6V and 12V systems./floating *The 24V electric-start diesel is not chassis grounded, with both sides of the battery system connected to the starter. The lights and gauges are split on two 12V systems.
Charging syste generator
Batterie 1 (diesel pony)/2 (gas/LP)/4 (diesel electric)
Battery volt 6


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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