11
1 – – – – – – Engine, B&S 31R707-0001-G1 (585926001)
(Order parts from engine manufacturer.)
2 532 13 73-52 Muffler Exhaust B&S
9 582 54 03-02 Keeper Belt Engine
12 586 72 90-01 Pulley Engine
15 532 43 30-03 Tank Fuel Front
18 581 17 61-01 Cap Asm Fuel
20 532 17 05-45 Control Th/ch Flag
21 532 41 63-58 Screw #10 x 0.750
28 532 40 11-37 Line Fuel
29 532 13 71-80 Kit Spark Arrestor (Flat Scrn)
37 532 12 34-87 Clamp Hose
42 539 99 02-47 Washer Lock 7/16
45 873 51 04-00 Nut Keps Hex 1/4-20 unc
69 532 16 52-91 Gasket Eng 1 313 Id Tin Plated
79 532 19 23-34 Screw Socket Head 5/16-18 x 3/4
84 817 06 06-20 Screw 3/8-16 x 1-1/4
85 501 60 65-01 Bolt Hex 7/16-20 x 4 x Gr 5
90 817 00 06-16 Screw 3/8-16 x 1
96 819 09 14-16 Washer 9/32 x 7/8 x 16 Ga.
97 817 67 04-12 Screw Thdrol 1/4-20 x 3/4
122 532 42 19-22 Extension Drain Oil
138 532 41 41-19 Purge Line
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
For engine service and replacement parts, call the toll free
number for your engine manufacturer listed below:
Briggs & Stratton 1-800-233-3723
REPAIR PARTS
TRACTOR - MODEL NUMBER PP155A42 (274430), PRODUCT NO. 274430
ENGINE
Engine Power Rating Information
The gross power rating for individual gas engine models is labeled in accordance with SAE (Society of Automotive
Engineers) code J1940 (Small Engine Power & Torque Rating Procedure), and rating performance has been obtained
and corrected in accordance with SAE J1995 (Revision 2002-05). Torque values are derived at 3060 RPM; horsepower
values are derived at 3600 RPM. Actual gross engine power will be lower and is affected by, among other things, ambi-
ent operating conditions and engine-to-engine variability. Given both the wide array of products on which engines are
placed and the variety of environmental issues applicable to operating the equipment, the gas engine will not develop
the rated gross power when used in a given piece of power equipment (actual “on-site” or net power). This difference is
due to a variety of factors including, but not limited to, accessories (air cleaner, exhaust, charging, cooling, carburetor,
fuel pump, etc.), application limitations, ambient operating conditions (temperature, humidity, altitude), and engine-to-
engine variability. Due to manufacturing and capacity limitations, Briggs & Stratton may substitute an engine of higher
rated power for this Series engine.
KEY PART
NO. NO. DESCRIPTION
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