Headgakset seat fits all tvo models
For diesels with a 3.5 inch bore
3.5 inch bore engine
Engine bore 3-5/8" (92 mm)David BrownCropmaster:30DImplematic:850 Implematic, 880 Implematic, 900 Implematic, 950 ImplematicOEM: K262763, K31811, K901914, K902282
For models with gear driven dynamo or no electrics
For models with belt driven 12V dynamo
For models with a open drive injector pump
For models with a closed inline injector pump drive
30D Cropmaster850 Implematic, 880 Implematic, 900 Implematic, 950 Implematic
Fits the tractors: Cropmaster diesel, 25D, 30D, 900, 850, 950 & 880/4
David Brown Cropmaster diesel, 25D, 30D, Implematic: 850, 900, 950 & 880/4
David Brown 25D, 850Seal land diameter 104.77 mm.Grooves wide 5.6mmNote: Straight linerOEM: 900131
David Brown 25D, 850Seal land diameter 103.5 mm.Grooves wide 3.88 mmStepped linerPlease pay close attention to the area just above the top sealing ring, this liner has a slight step.OEM: 900084
David Brown 30D, 50D, 900Seal gland diameter 104.77 mm.Grooves wide 5.6mmStraight linerOEM: 900132
David Brown model: 30D, 880, 900 Implematic, 950Seal land diameter 103.5 mm.Grooves wide 3.88 mmStepped linerOEM: 902001
David Brown 30D, 880, 900, 950, 950 Implematic, 990, 990 ImplematicFinished, 92.07mm Bore, 205.13mm Height, 8mm LipOEM: K906859
Liner o-ring kit. David BrownO-ring Ø 2.5 mm thickSet fits liner H6220, H6221 en H6222OEM: K66385
Liner Seal set. fits one engine liner O-ring: Ø 3.5 mm Filts liner with part number: H6218 and H6219 OEM: K10054
K900800
For TVO models only. Complete engine set
For Diesel models onlySet is for one complete engine
For Diesel models onlyFull engine set
For Diesel models onlyFull engine set
David Brown 30D, 880 Implematic, 900 Implematic, 950 Implematic, 990 ImplematicSet for 4 pistonsBore 3-5/8" (92.07 mm)Ring set up: 2.35 x 2.35 x 2.35 x 4.70 mmK67922
11055
Valve,inlet/exhaust all 4 cyl diesel ( 25D, 30D, 50D, up to model 990 (not for 990)Exhaust valve Petrol TVO models (25C 30C)Valve: 34.5 X 8.6 X 141 (45°)Replaces K64402
31674
Set with 4 inlet valve stem seals for David Brown tractors up to model 990 ( Not 990 ! ) OEM: K64424
Oversize 0.010" 0.020"en 0.030" available on request