Valtra A95 User Manual

23
Model Code Page
21. Engine
205-- 555 210 5
1. 7. 1989
10. 1. 1992
Piston, piston rings and piston pin (355, 455, 555)
Piston diameter:
--- 19 mm from lower edge (CS) 107.853---107.867 mm....................................................
--- 75 mm from lower edge (CS) 107.742---107.757 mm....................................................
--- 93.5 mm from lower edge (CS) 107.580---107.600 mm..................................................
--- 108.5 mm from lower edge (CS) 107.510---107.530 mm.................................................
Piston pin hole, diameter 40.000---40.006 mm..........................................................
Piston pin, diameter 39.995---40.000 mm..............................................................
Ring groove widths:
--- groove 2.560---2.580 mm.......................................................................
--- groove 2 3.030---3.050 mm.....................................................................
--- groove 3 5.040---5.060 mm.....................................................................
Piston ring clearance in grooves:
--- upper compression ring, hard chromed 0.07---0.102 mm...........................................
--- 2nd compression ring 0.04---0.072 mm..........................................................
--- oil control ring 0.05---0.082 mm.................................................................
--- maximum wear limit 0.15 mm............................................................
Piston ring width:
--- ri n g 1 . 2.478---2.490 mm.......................................................................
--- ri n g 2 2.978---2.990 mm........................................................................
--- ri n g 4.978---4.990 mm..........................................................................
Piston ring gap, new ring kit no. 8363 39201:
--- upper compression ring 0.3---0.55 mm........................................................
--- 2nd compression ring 0.75---1.00 mm..........................................................
--- oil control ring 0.3---0.6.................................................................
--- maximum wear limit, ring 1 and 3 1.0 mm................................................
--- maximum wear limit, ring 2 1.4 mm......................................................
Max. permissible weight difference between pistons 25 g...................................
Heat piston to 100
_C before fitting piston pin.The combustion chamber should be turned towards the injectors.
Connecting rod (205, 305, 405)
Connecting rod bushing I.D. (fitted) 36.025---36.040 mm.................................................
Connecting rod bushing O.D. (standard) 40.060---40.076 mm............................................
Connecting rod bushing, (oversize 8360 38605) 40.580---40.620 mm......................................
Interference fit: connecting rod bushing/connecting rod 0.035---0.120 mm................................
Connecting rod bushing location, diameter 40.000---40.025 mm..........................................
Connecting rod bushing location, diameter (oversize) 40.500---40.525 mm.................................
Big end bearing location, diameter 65.730---65.749 mm.................................................
Connecting rod (355, 455, 555)
Connecting rod bushing I.D. (fitted) 40.025---40.040 mm.................................................
Connecting rod bushing O.D. (standard) 44.082---44.120 mm............................................
Connecting rod bushing O.D. (oversize 8353 28326) 44.580---44.620 mm..................................
Interference fit: connecting rod/connecting rod bushing 0.057---0.120 mm................................
Connecting rod bushing location, diameter 44.000---44.025 mm..........................................
Big end bearing location, diameter 71.730---71.749 mm.................................................
Connecting rod end---float on crank shaft 0.200---0.312 mm............................................
Weight marking (letter) at lower end.
Max. permissible weight difference between connectingro ds in the same engine 20 g..........

Valtra A95 Specifications

General

Engine Power	95 hp
Engine Cylinders	4
Displacement	4.4 liters
Hydraulic System	Open center
PTO Speed	540/1000 rpm
Rated Engine Power	95 hp
Cab	Available with or without cab