Blog category
Kubota GL19 GL21 GL23 GL25 GL26 GL27 GL29 GL32 GL33
Knowledge base for the Kubota GL series (Grandel): GL19, GL21, GL23, GL25, GL26, GL27, GL29, GL32 and GL33. Specifications, maintenance, oil, filters and parts.
11/07/2026
The complete storage procedure for the Kubota GL21 from the manual: 16 steps, from a full tank and locking the clutch to monthly battery charging.
11/07/2026
Kubota GL21 won't start or stalls? The troubleshooting table from the manual plus known practical issues, from safety switch to bleeding.
11/07/2026
The hydraulics, lift linkage, Monroematic and PTO of the Kubota GL21 explained, plus which implements you can realistically hang on 19–33 hp.
11/07/2026
This is how you start and operate a Kubota GL21: the complete starting procedure, the safety switch, the Easy Checker dashboard and the 16/16 shuttle transmission.
11/07/2026
All filters for the Kubota GL21 and the GL series with OEM numbers and intervals: engine oil filter, fuel filter, air filter and hydraulic filter.
11/07/2026
Which engine oil does the Kubota GL21 need? All fluids, quantities and specifications from the manual, translated into modern-day products.
11/07/2026
The complete maintenance schedule for the Kubota GL21 and the entire GL series: all intervals and adjustment values for the clutch, brake, and V-belt from the manual.
11/07/2026
All specifications of the Kubota GL series (GL19–GL33) from the factory manual: engines, dimensions, weights, driving speeds, PTO, and tire sizes.
11/07/2026
Buying a Kubota GL21 or another model from the GL series? Buying advice, model overview GL19–GL33, prices, and the difference with the GL201 series.
