UtilityPerformance profile
Iseki TG503
The Iseki TG503 is a utility tractor built for tough farm work. It has a strong 4x4 drive system and power steering, making it easy to handle in different conditions. The tractor comes with a 16-speed forward and 16-speed reverse transmission, giving drivers lots of options for different tasks. Under the hood, the TG503 has a 4-cylinder diesel engine made by Iseki. This engine is liquid-cooled and naturally aspirated, producing 49.4 horsepower at 2500 RPM. The engine size is average for tractors in its class, and its power output is also about average. The tractor weighs 4023 pounds, which is a good weight for stability without being too heavy. It has big agricultural tires, with 13.6-28 sized rear tires for good traction in fields. This tractor is built to be practical and safe. It has a rear Category I hitch for attaching tools and a ROPS (Roll-Over Protective Structure) to keep the driver safe. The TG503 is compact, measuring 140.9 inches long, 61.6 inches wide, and 92.5 inches tall. This size makes it good for working in tight spaces while still being strong enough for serious farm work.
ManufacturerIsekiPower49.4 hpEngine4-cyl
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 49hp
- Operating Weight
- 4,023 lb
At a glance
How the TG503 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
49.4 hp · 44th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The TG503 ranks at the 44th percentile for engine power among recorded utility tractors.
Overview
About the Iseki TG503
The Iseki TG503 is a utility tractor built for tough farm work. It has a strong 4x4 drive system and power steering, making it easy to handle in different conditions. The tractor comes with a 16-speed forward and 16-speed reverse transmission, giving drivers lots of options for different tasks. Under the hood, the TG503 has a 4-cylinder diesel engine made by Iseki. This engine is liquid-cooled and naturally aspirated, producing 49.4 horsepower at 2500 RPM. The engine size is average for tractors in its class, and its power output is also about average. The tractor weighs 4023 pounds, which is a good weight for stability without being too heavy. It has big agricultural tires, with 13.6-28 sized rear tires for good traction in fields. This tractor is built to be practical and safe. It has a rear Category I hitch for attaching tools and a ROPS (Roll-Over Protective Structure) to keep the driver safe. The TG503 is compact, measuring 140.9 inches long, 61.6 inches wide, and 92.5 inches tall. This size makes it good for working in tight spaces while still being strong enough for serious farm work.
Full specifications
Every recorded spec
General
| Manufacturer | Iseki |
|---|---|
| Model | TG503 |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 4,023lb |
Engine
| Make | Iseki |
|---|---|
| Model | E4DD |
| Power | 49.4hp |
| Cylinders | 4 |
| Displacement | 173ci |
Transmission
| Forward gears | 16 |
|---|---|
| Reverse gears | 16 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | MFWD / 4WD |
| Steering | Power |
| Cab | ROPS |
Dimensions
| Length | 140.9in |
|---|---|
| Width | 61.6in |
| Height | 92.5in |
| Operating weight | 4,023lb |
Tires
| Rear | 13.6-28 |
|---|
Head to head
TG503 vs. Utility median
How the Iseki TG503 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 49.4 hp | 55 hp | -10% | 44th |
| Engine Displacement | 173 ci | 183 ci | -6% | 46th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 16 | 12 | +33% | 73rd |
| Operating Weight | 4,023 lb | 5,303 lb | -24% | 37th |
| Length | 141 in | 137 in | +3% | 56th |
| Width | 61.6 in | 66 in | -7% | 40th |
| Height | 92.5 in | 94.1 in | -2% | 46th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared Iseki tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Iseki AT50 | 49.4 hp | 3,814 lb | — | Compare → |
| Iseki AT500 | 49.4 hp | — | — | Compare → |
| Iseki SX55 | 50 hp | — | — | Compare → |
| Iseki T5010 | 50 hp | — | — | Compare → |
| Iseki AT5470 | 47.8 hp | 3,362 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 5050 | 50 hp | 4,410 lb | 1977–1983 | Compare → |
| Allis Chalmers FD5 | 50 hp | 5,412 lb | — | Compare → |
| Belarus 4055 | 50 hp | 4,750 lb | — | Compare → |
| Antonio Carraro Tigrone 5800 | 48 hp | 3,417 lb | — | Compare → |
| Antonio Carraro Tigrone Jona 5800 | 48 hp | — | — | Compare → |
Explore
Iseki siblings
Explore
Similar-spec models
FAQ
Common questions
How powerful is the Iseki TG503?
The Iseki TG503 has an engine power output of 49.4 hp. It is powered by a 4-cylinder engine displacing 173 ci.
What size tires does the Iseki TG503 use?
Factory rubber for the Iseki TG503 is 13.6-28 rear tires.
What is the working weight of the Iseki TG503?
The operating weight of the Iseki TG503 is approximately 4,023 lb.
What routine service does the Iseki TG503 need?
Regular maintenance for the Iseki TG503 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.