McCulloch PM1850SBH Illustrated Parts Breakdown page 14

REPAIR PARTS
TRACTOR - MODEL NO. PM1850SBH (PM18H48SB), PRODUCT NO. 954 56 93-49
ENGINE
KEY PART
NO. NO. DESCRIPTION
1 170771 Control, Throttle
2 17720408 Screw Hex Thd Cut 1/4-20 x 1/2
3 - - - - - - - Engine Briggs Model 407777
(Order Parts from Engine Mfg.)
4 149723 Muffler, Asm. Twin Lo-Tone
5 160589 Pipe Exhaust Intek 20 RH
6 159955 Pipe Exhaust Intek 20 LH
8 171877 Bolt 5/16-18 UNC x 3/4 w/Sems
10 162797 Shield Browing B&S Intek II
13 165391 Muffler Gasket
14 148456 Tube Drain Oil Easy
16 11050600 Washer, Lock Ext tooth 3/8
17 17060624 Screw 3/8-16 x 1-1/2
23 169837 Shield, Browning/Debris Guard
25 145996 Control Choke
26 73920600 Nut Keps 3/8-24 UNF
29 137180 Arrester, Spark
31 179115 Tank, Fuel
32 179124X428 Cap, Fuel
33 123487X Clamp, Hose Blk
34 106082X Pad Spacer
37 8543R Fuel Line
38 148315 Plug Drain Oil Easy
39 109227X Pad Idler
41 139277 Stem Tank Fuel
45 17000612 Screw Hex Wsh Thdrol 3/8-16 x 3/4
62 10040500 Washer Lock Hvy Hlcl Spr 5/16
72 71070512 Screw Hex Hd Cap 5/16-18 x 3/4
81 73510400 Nut Keps Hex 1/4-20 Unc
112 3645J Bushing
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm