Solis 26 HST Service Filter Kit. This listing is for a Solis 26 HST Service Filter Kit consisting of. Solis 26 engine oil filter. Solis 26 fuel filter. Solis 26 pre fuel filter. WHEN ORDERING PLEASE CHECK SOLIS MODEL (AND VARIANT – MANUAL / SHUTTLE / HST), 16,20 OR 26, AS THE FILTERS VARY BETWEEN MODELS. On a Solis tractor engine service, 4 litres of oil is required. On a hydraulic service, 18 litres of oil required (dependent on model) – please ask for further information. We also have a large stock and range of compact tractors for sale. We have tractors for sale from the leading quality manufacturers such as Kubota, Iseki, John Deere, New Holland, Yanmar & Solis. Around 50% of our stock is fitted with front loaders. We also stock a huge range of all implements including flail mowers, rotovators, toppers, harrows etc and are able to offer complete package deals to our customers. We are easily located in Wellingborough, Northamptonshire. Viewing welcome by appointment.