Cyl. Block, Liners, Pistons & Rods/Specifications CTM3274 (01JUL99) 10-6 Saran Liter Engines 060799 PN=67 SPECIFICATIONS - CONTINUED DIMENSIONS OF NEW PARTS WEAR TOLERANCE Piston OD at 19 mm (0.74 in.) from bottom of skirt and measured 90˚ to piston pin . . . . . . . . . . . . . . . . . . . . . . 106.381—106.399 mm (4.1882—4.1890 in.) Piston-to-cylinder liner clearance, measured at bottom of skirt . . . . . . . . . . . 0.09—0.14 mm (0.0035—0.0055 in.) Piston ring end gap: 3029DF120/DF160 (263024CD- ) 3029DAT01 3029TAT02 3029TF120/TF160 (287526CD- ) 3029TF001/TF031 (264813CD- ) 3029TLV01 (261581CD- ) 3029DPY01 . . . . . . . . . . . . . . . . . . . . No.1: 0.33—0.58 mm (0.013—0.023 in.) No.2:
1.23—1.49 mm (0.049—0.059 in.) No.3: 0.30—0.56 mm (0.012—0.022 in.) All other engines . . . . . . . . . . . . . . . . . No.1: 0.35—0.60 mm (0.014—0.024 in.) No.2 (earlier): 0.33—0.58 mm (0.013—0.023 in.) No.2 (later): 0.71—1.00 mm (0.028—0.039 in.) No.3: 0.30—0.60 mm (0.012—0.024 in.) Piston height: Measured from center of piston pin bore to top of piston • 3029, 4039, 6059 Engines . . . . . . . . . . 66.27—66.33 mm (2.609—2.611 in.) • 4045 and 6068 Engines . . . . . . . . . . . 71.64—71.70 mm (2.820—2.823 in.) Piston protrusion above block . . . . . . . . . . 0.08—0.35 mm (0.003—0.014 in.) Piston pin bore*: • For small pin (32 mm [1.26 in]) . . . . . .
32.003—32.013 mm (1.2600—1.2603 in.) • For medium pin (35 mm [1.377 in.]) . . . 34.933—34.943 mm (1.3753—1.3757 in.) • For large pin (41 mm [1.614 in.]) . . . . . 41.285—41.295 mm (1.6254—1.6258 in.) Piston pin Outside Diameter: • Small pin . . . . . . . . . . . . . . . . . . . . . 31.994—32.000 mm (1.2596—1.2598 in.) • Medium pin . . . . . . . . . . . . . . . . . . . . 34.92—34.93 mm (1.3748—1.3752 in.) 0.013 mm (0.0005 in.) • Large pin . . . . . . . . . . . . . . . . . . . . . 41.27—41.28 mm (1.6248—1.6252 in.) 0.013 mm (0.0005 in.) Rod pin bushing Internal Diameter: • Small pin . . . . . . . . . . . . . . . . . . . . . 32.010—32.036 mm (1.2602—1.2612 in.) • Medium pin . . . . . . . . . .
. . . . . . . . . . 34.950—34.976 mm (1.376—1.377 in.) 0.05 mm (0.002 in.) • Large pin . . . . . . . . . . . . . . . . . . . . . 41.300—41.326 mm (1.626—1.627 in.) 0.05 mm (0.002 in.) (Continued on next page) *Some piston pin bores are elliptical, the width being 0.038 mm _ (0.0015 in.) wider than specification given. _ CD,3274,G10,33 -19-04JAN99 10 6