Iseki TG503 Tractor

Manufacturer Iseki
Price -
Model TG503
Equipment Type Compact Utility Tractors
Factory

ISEKI TG503 POWER

Engine 49.4hp / 36.8kW

ENGINE DETAIL

The Iseki TG503 tractor features a robust E4DD diesel engine with a displacement of 2.8L, providing 49.4hp at 2500 RPM, ideal for agricultural tasks requiring efficient power output. This 4-cylinder liquid-cooled engine enhances thermal stability, reducing the risk of overheating during prolonged operations. However, 36.8kW may limit performance in very demanding situations, so consider load requirements to ensure optimal efficiency and prevent strain on the engine.

Description Iseki E4DD diesel 4-cylinder liquid-cooled
Displacement 173ci / 2.8L
Power 49.4hp / 36.8kW
Rated RPM 2500
Starter electric
Starter volts 12

ISEKI TG503 ENGINE

The Iseki TG503 tractor is equipped with a 2.8L 4-cylinder diesel engine, providing a balance of power and fuel efficiency suited for various agricultural tasks. Its 14.5-gallon (54.9L) fuel tank ensures extended operation times, which is advantageous during lengthy fieldwork, minimizing downtime for refueling. However, the relatively small tank size may necessitate more frequent stops in large-scale operations, which could be a drawback for users managing extensive acreage.

Description Iseki 2.8L 4-cyl diesel
Fuel tank 14.5gal / 54.9L

TRANSMISSION

The Iseki TG503 features a 16-speed gearbox, allowing for precise control over speed and torque, which enhances its versatility for various agricultural tasks. The wet disc clutch system offers smoother engagement and reduces wear, contributing to a longer lifespan and lower maintenance needs. However, the complexity of the 16 gears may require additional operator training to maximize efficiency in field applications.

Gears 16 forward and reverse
Clutch wet disc

MECHANICAL

The Iseki TG503 features a 4x4 MFWD system, enhancing traction and stability across various terrains, making it suitable for both agricultural and landscaping tasks. Its power steering facilitates maneuverability, while the 16-speed transmission allows precise control of speed and torque, optimizing performance for different attachments. The optional two-post ROPS cab enhances operator safety but may limit protection from environmental factors compared to a fully enclosed cab.

Chassis 4x4 MFWD 4WD
Steering power
Brakes wet disc
Cab Two-post ROPS. Cab optional
Transmission 16-speed

TRACTOR HITCH

Rear Type I
Control position control

POWER TAKE-OFF (PTO)

Rear RPM 577/716 / 1026 (1.375)

ISEKI TG503 TIRES

The Iseki TG503 tractor is equipped with standard agricultural tires, with a front size of 8-18 and a rear size of 13.6-28. This configuration offers good traction in a variety of soil conditions, making it suitable for light to medium-duty farming tasks. However, the limited tire size might present challenges in handling heavier loads or operating in softer terrains, potentially necessitating tire upgrades for improved performance.

Standard tires (ag) Front: 8-18. Rear: 13.6-28

DIMENSIONS

Wheelbase 78.4inches / 199cm
Length 140.9inches / 357cm
Width 61.6inches / 156cm
Height 92.5inches / 234cm
ROPS Weight 4023lbs / 1824kg
Cab Weight 4354lbs / 1974kg
Ground clearance 14.6inches / 37cm
Front tread 49.2inches / 124cm
Rear tread 44.9 to 59.1inches / 114to 150cm

DIMENSIONS & TIRES

The Iseki TG503 tractor features a compact wheelbase of 78.4 inches, which enhances maneuverability in tight spaces, making it ideal for small farms or orchards. With a weight range of 4023 to 4354 pounds, it provides stability during operation but may limit transport options without sufficient towing capacity. The tire specifications (front 8-18; rear 13.6-28) suggest good traction for various terrains, though tire selection can affect soil compaction and ground disturbance in sensitive environments.

Wheelbase 78.4inches / 199cm
Weight 4023 to 4354 pounds
Front tire 8-18
Rear tire 13.6-28

ELECTRICAL

Ground negative
Battery volts 12


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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