
British two-cylinder. Standard in Moody boats. Based on BMC diesel.
Specifications
| Power | 35 HP @ 2,500 RPM | Cylinders | 2 |
| Displacement | 1300 cc (79.3 ci) | Bore x Stroke | 91 x 100 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Raw water | Drive | Inboard |
| Weight | 180 kg (397 lb) | Fuel Use | 6.56 L/hr |
Parts for the Thornycroft T80
5 catalogued parts. Prices are reference figures; each “Find on Amazon” link opens a search for that part — confirm fitment against your engine's serial before ordering.
Cooling System (3)
- Buy onJohnson MC97 6-blade raw water impeller for the Johnson F4B-9 raw water pump used on Thornycroft 33, 50, 60 & 80 (Mitsubishi-based) enginesfits: Jabsco 18653-0001; Johnson 09-810B; Beta 207-05355; Yanmar 128397-42200
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- SearchJohnson F4B-9 raw water pump, flange-mounted to timing cover, fits Thornycroft 60 & 80 and some Mitsubishi-based marine enginesfits: Johnson/SPX 10-35271-01 (SKU 209787); uses impeller Johnson 09-810B-1 / Jabsco 18653-0001
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- SearchWater thermostat 71C for Mitsubishi K3/K4-series diesel (base engine of the Thornycroft 80, which is marinised on the Mitsubishi K4 block)fits: Mitsubishi MD003581 / 30H4603100 (K3-,K4-series base-engine thermostat)
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Fuel System (1)
- SearchBaldwin fuel filter element (CAV 296 type) for Thornycroft 33, 60, 80 and other Thornycroft engines using the CAV 296/901 fuel filterfits: CAV 096/296/901, 7111-296; Crosland 522; Fleetguard FF167; Champion L131; Fram CP1191PL; Volvo Penta 3581078
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Lubrication (1)
- SearchMann/Crosland spin-on oil filter element (M20 x 1.5mm) for Thornycroft 33, 60 & 80 (Mitsubishi/Kubota-based) marine diesel enginesfits: Crosland L10199US / Crosland 672; Yanmar 119305-35151, 124450-35100; Champion F110/606; Coopers Z91; Nanni 302742, 173060; ASAP 102672
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Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.

