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Iseki AT500 Semi-Crawler vs Iseki TG503
Verdict: Iseki AT500 Semi-Crawler vs Iseki TG503
The Iseki AT500 Semi-Crawler and the Iseki TG503 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 49 hp. Iseki AT500 Semi-Crawler is the lighter machine (2,305 kg vs 4,023 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Iseki TG503 holds more fuel (54.9 L vs 50.0 L) for longer stints between fills. Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Iseki
62
Fit score
Best match
Clear
Iseki
62
Fit score
Best match
Clear
Rated power
49 hp
49 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
IsekiReference
IsekiReference
liquid-cooledReference
liquid-cooledReference
Drive
half-trackReference
—
Variants
AT500
wheeledReference
—
AT500C
half-trackReference
—
Engine
Fuel tank
50.0 LReference
54.9 LReference
Engine
36.8 kWReference
36.8 kWReference
Displacement
3.0 LReference
2.8 LReference
Bore/Stroke
97 x 100 mmReference
—
Power
36.8 kWReference
36.8 kWReference
Rated RPM
2500Reference
2500Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Transmission
Gears
24 forward and reverseReference
16 forward and reverseReference
Clutch
dry discReference
wet discReference
PTO & Hydraulics
Rear Type
IReference
IReference
Rear PTO Type
540 (1.375)Reference
577/716/1026 (1.375)Reference
Engine RPM
-787@2500Reference
—
Control
—
position controlReference
Dimensions
Wheelbase
197 cmReference
199 cmReference
Weight
2305 kgReference
4023 to 4354 poundsReference
Front tire
8.3-20Reference
8-18Reference
Rear tire
tracksReference
13.6-28Reference
Ag front
8.3-20Reference
—
Ag rear
tracksReference
—
Length
355 cmReference
357 cmReference
Width
168 cmReference
156 cmReference
Height (cab)
230 cmReference
—
Ground clearance
38 cmReference
37 cmReference
Front tread
125 cmReference
124 cmReference
Rear tread
115/129 cmReference
114 to 150 cmReference
Standard tires (ag)
—
Front: 8-18. Rear: 13.6-28Reference
Height
—
234 cmReference
ROPS Weight
—
1824 kgReference
Cab Weight
—
1974 kgReference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.