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 only Set is for one complete engine Full set contains 12 x Compression ring 4 x Oil control ring
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