Blog category
Iseki GEAS AT23 AT25 AT27 AT30 AT33
Knowledge base for the Iseki GEAS AT series compact tractors (AT23, AT25, AT27, AT30, AT33 and the narrow-track variants AT27N/AT33N) with the E3CD engine (1.498L, 3-cylinder) and AT-shift powershift transmission.
08/07/2026
This is how you winterize the Iseki GEAS AT23-AT33 and store it correctly, based on the maintenance instructions from the factory manual.
08/07/2026
The official troubleshooting tables from the Iseki manual for the GEAS AT23-AT33: engine problems, clutch, brake, steering and the AT-shift transmission, plus practical experience from owners.
08/07/2026
Which engine oil, transmission oil, front axle oil, and coolant go in the Iseki GEAS AT23-AT33? All types and quantities from the original manual.
08/07/2026
The complete maintenance schedule for the Iseki GEAS AT23-AT33 from the original manual: all intervals by operating hours and calendar, plus the official adjustment values.
08/07/2026
All technical specifications of the Iseki GEAS AT23, AT25, AT27, AT30 and AT33 (plus AT27N/AT33N) from the original factory manual: engine, dimensions, tires, transmission and PTO.
08/07/2026
What can you do with the lift system, PTO and automatic lift function of the Iseki GEAS AT23-AT33? And what can you realistically do with 23 to 33 hp?
08/07/2026
This is how you correctly start and operate the Iseki GEAS AT23-AT33: the automatic pre-heating system, the AT-shift transmission and the correct starting sequence from the manual.
08/07/2026
Which air filter, fuel filter, oil filter and hydraulic filter fits the Iseki GEAS AT23-AT33? All filters and replacement intervals at a glance.
08/07/2026
Buying guide for the Iseki GEAS AT series (AT23 through AT33, plus the narrow-track AT27N/AT33N): differences between the models, strengths and weaknesses, and an indication of used prices.
