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31R907-0006-G1 Intek 17.5 GHP 500 1” x 3-5/32”, Tapped 7/16-20, 1/4” Keyway, Electric Start, Recoil Backup 

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This genuine 500cc Briggs & Stratton single cylinder engine offers dependable power for your equipment needs. With a power rating of 17.5 horsepower, this engine features a premium Dual Clean air filtration system, electric with recoil backup starter, and maintenance-free Magnetron electronic ignition. With a manufacturer limited warranty of 2 years consumer use / 1 year commercial use, Briggs & Stratton provides power that you can trust. This engine includes a Dura-Bore cast iron cylinder sleeve for extended life. This engine includes an installed muffler. This engine includes a fuel pump. This engine includes a 9 amp charging system.

Gross HP
500 CC
Bore 3.56 in. (90.42 mm)
Stroke 3.06 in. (77.72 mm)
Oil Capacity 48 fl. oz. (1.42 L)
Dura-Bore™ cast iron cylinder sleeve for extended
Advanced Debris Management System with our largest dual seal, cartridge-style air filter that
provides maximum protection and extends engine life
Float carburetor for consistent easy starting
Overhead valve design (OHV) for cooler operation and longer valve life
Mechanical Governor
Buyer protection package provides two-year limited consumer engine warranty

Replacement Engine:31R907-0006
Replacement Engine IPL (eParts)

PTO Shaft Diameter1.000
PTO Shaft Length 3.157
PTO Threads 0.438-20 UNF
Replacement Shortblock:592059
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Model Number31R907-0006-G1
Engine Specifications

SKU 31R907-0006-G1
Technical Specifications

Model Series 31R9
Displacement 501
Oil Capacity 48 oz (1.4 l)
Valve Configuration OHV
Flywheel Torque 110 lb/ft (149.0 Nm)
Governor Arm Torque 40 lb/in (4.5 Nm)
Carb Mount 70 lb/in (8.0 Nm)
Plug Gap 0.03 in (0.75 mm)
Intake Valve .003-.005 in (.08-.13 mm)
Exhaust Valve .005-.007 in (.13-.18 mm)
Idle Speed 1750
Air Gap .010-.014 in (.25-.36 mm)
Flywheel Puller Part 19203
Flywheel Holder Part 19433
Connecting Rod Torque 150 lb/in (17.0 Nm)
Sump Torque 220 lb/in (25.0 Nm)
Head Torque 250 lb/in (28.0 Nm)
Alternator Specifications

Alternator 592829
Type 5 adc / 9 adc / Tri-circuit
Testing RPM 3600
AC Volts 28 / 40vac / 28
DC Amps 2-5 amp / 2-9 amp / 5 amp +DC, 5 amp -DC
5 Amp Regulated Testing Procedure
9 Amp Regulated Testing Procedure
Tri-Circuit Alternator Testing Procedure

Crankshaft Specifications

Service Part Number 596006
Square PTO Key #1 0.25 x 2.688 x 0.146
PTO Keyway #1 (mm) 6.35 x 68.275 x 3.708
PTO Threads 0.438-20 UNF
PTO Shaft Diameter (in) 1.000
PTO Shaft Diameter (mm) 25.4
PTO Shaft Length (in) 3.157
PTO Shaft Length (mm) 80.188

Common Parts

594201 FILTER, A/C Cartridge (Canister)
691035 FILTER, Fuel (Includes Paper Element With A 40 Micron Rating)
394358S FILTER, Fuel (White, 75 Microns)
798576 FILTER, Oil (Premium)(Orange)
696854 FILTER, Oil (Premium)(Yellow)
492932S FILTER, Oil (Standard)(Black)
797704 FILTER, Pre Cleaner
695666 Filter-Fuel (Includes Paper Element With A 30 Micron Rating)
796584 GASKET, Cylinder Head
796184 KIT, Carburetor Overhaul (Nikki) Used Before Code Date 16010400
594886 KIT, Carburetor Overhaul (Ruixing) Used After Code Date 16010300
593934 MOTOR, Starter
795997 MUFFLER
691043 PLUG, Spark (EMS)
19203 PULLER, Flywheel