Wacker Neuson WM 170

Clearance Data and Limits Table WM 130/170/270 Repair
wc_tx000385gb.fm 98
Piston
Outer diameter at skirt in
thrust direction
Standard
WM 130
57.940–57.960
(2.2811–2.2819)
57.85
(2.2776)
WM 170
66.930–66.950
(2.650–2.6358)
66.84
(2.6315)
WM 270
74.930–74.950
(2.9500–2.9508)
74.84
(2.9465)
Oversize
(+0.25)
WM 130
58.190–58.210
(2.2909–2.2917)
58.10
(2.2874)
WM 170
67.180–67.200
(2.6449–2.6457)
67.09
(2.6413)
WM 270
75.180–75.200
(2.9598–2.9606)
75.09
(2.9563)
Oversize
(+0.50)
WM 130
58.440–58.460
(2.3008–2.3016)
58.35
(2.2972)
WM 170
67.430–67.450
(2.6547–2.655)
67.34
(2.6512)
WM 270
75.430–75.450
(2.9697–2.9705)
75.34
(2.9661)
Piston
Ring groove-side clearance
Top second
WM 130
WM 170
WM 270
0.035–0.080
(0.0014–0.0031)
0.15
(0.006)
Oil ring
coil exp
WM 130
0.02–0.075
(0.0008–0.0031)
WM 170
0.010–0.065
(0.0004–0.0026)
0.15
(0.006)
WM 270
0.010–0.065
(0.0004–0.0026)
Oil ring
(three-piece)
WM 130
0.060–0.165
(0.0024–0.0065)
---WM 170
0.0300–0.185
(0.0012–0.0073)
WM 270
0.0100–0.205
(0.0004–0.0081)
Item Model Standard
mm (in.)
Limit
mm (in.)