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
3.5" Bore ( 88.9 mm)
30D Cropmaster850 Implematic, 880 Implematic, 900 Implematic, 950 Implematic
Fits the tractors: Cropmaster diesel, 25D, 30D, 900, 850, 950 & 880/4
Fits the AD4/47 engine. Models: 990 Implematic and early 990 selectamatic
David Brown Cropmaster diesel, 25D, 30D, Implematic: 850, 900, 950 & 880/4
Fits most diesel models up to 990Size 60.32 mm x 38.1 mm x 9.52 mm
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
Bore 92.07 mmOEM: K902667, K902668
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
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
Standard size bearingsFits all David Brown Diesel engines, 25D, 30D, 50D up to model 990OEM: B4310Bearing width: 29 mm
0.010" oversize bearingsFits all David Brown Diesel engines, 25D, 30D, 50D up to model 990OEM: B4310, K902255Bearing width: 29 mm
0.020" oversize bearingsFits all David Brown Diesel engines, 25D, 30D, 50D up to model 990OEM: B4310, K902256Bearing width: 29 mm
0.030" oversize bearingsFits all David Brown Diesel engines, 25D, 30D, 50D up to model 990OEM: B4310 DBearing width: 29 mm
0.040" oversize bearingsFits all David Brown Diesel engines, 25D, 30D, 50D up to model 990OEM: B4310Bearing width: 29 mm
0.050" oversize bearingsFits all David Brown Diesel engines, 25D, 30D, 50D up to model 990OEM: B4310Bearing width: 29 mm