1994-1997 Turbocharged, Emmision Engines
359 Cubic Inch
Bore: 4.02 in / 102 mm
Stroke: 4.72 in / 119 mm
Piston Marked: 6631 (B Grade), 6632 (A Grade), 6633 (Grade C), 6634 (.050 mm Oversized), 6635 (1.00m Oversized)
Replaces Numbers:
3926631 (Std Bore, B Grade) - Used in 3802561 Piston Kit
3926632 (Std Bore, A Grade) - Used in 3802562 Piston Kit
3926633 (Std Bore, C Grade) - Used in 3802563 Piston Kit
3926634 (.50mm Bore) - Used in 3802564 Piston Kit
3926635 (1.00mm Bore ) - Used in 3802565 Piston Kit
These Pistons have a 3.26" Pin Length and 10mm Top Ring Land
CPL Numbers: 1551, 1552, 1553, 1888, 1895, 1914, 1915, 1916, 2000, 2175, 2243, 2249, 2252, 2253, 2305, 2347
Fits Applications:
Asphalt Pavers: VDA 600 Terex, VDA 621 Terex, VDA700 Terex
Vibratory Compactors: VV1400D Stavostroj, VV900 Stavostroj, VV900D Stavostroj
YTO: YL25 Pneumatic Roller, LGS1822B Static Smooth Drum Roller
Inframe Kit Includes:
(6) Piston w/Retainer & Rings, Standard FP-3802561 Piston FP-3926631
(6) Piston Pin FP-3934047
(1) Main Bearing Set, Standard FP-4955853 180 Degree Thrust
(12) Rod Bearing Half Upper/Lower, Standard FP-3939859
(1) In-Frame Gasket Set FP-3804897S 1991-4/2003, Std Head Gasket
Overhaul Kit Includes:
(6) Piston w/Retainer & Rings, Standard FP-3802561 Piston FP-3926631
(6) Piston Pin FP-3934047
(1) Main Bearing Set, Standard FP-4955853 180 Degree Thrust
(12) Rod Bearing Half Upper/Lower, Standard FP-3939859
(1) Head Gasket Set FP-3804897
(1) Conversion Gasket Set FP-3802376 With Seals
Rebuilder Specs:
Bore: 4.0165"
Stroke: 4.724"
Rod Journal: 2.7160-2.7170"
Main Journal: 3.2672-3.2682"
Main Torque: 37, 45, 66 ft/lbs, +90 degrees
Rod Torque: 22, 44 ft/lbs, +60 degrees
Head Torque: First torque all bolts to 66 ft/lbs, then all bolts to 66 ft/lbs again. For the longest bolts only tighten in sequence 89 ft/lbs and then longest bolts only 89 ft/lbs again. Final stage is to then turn all bolts +90 degrees.
Intake Valve Lash: .010" cold (.254 mm)
Exhaust Valve Lash: .025" cold (.635 mm)