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PowerBuilt™ Mower Engine, 17.5 HP

Item #90506
A mower engine that will give your riding lawn mower excellent long lasting power. This engine can operate at a horsepower range of 10.50 to 17.50. With an overhead valve engine that offers a compact design, efficient response time and less vibrations.
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Product Overview

Install this single cylinder lawn mower engine for quality cutting. Measuring 18-15/16 in. L x 15-1/2 in. W x 12-15/16 in. H, with a 3-1/2 in. bore and a 3-1/16 in. stroke. This engine has a gross horsepower of 10.50 to 17.50, it runs on gasoline and has a convenient electric start. The overhead valve technology creates a smooth and fast operation with less moving parts. It also decreases the lawn mower's vibrations when it is running and maneuvering. This ride on mower engine requires minor maintenance tasks like replacing a cartridge air filter. Please view the list below for the OEM numbers this engine can replace.

Specifications
  • Briggs & Stratton PowerBuilt™ Riding Mower Engine
  • 31R907-007
  • Gasoline powered engine
  • 31R907-007
  • Gross horsepower: 10.50 - 17.50
  • Single cylinder
  • Verticle shaft engine
  • Overhead valve technology
  • Dimensions: 18-15/16 in. L x 15-1/2 in. W x 12-15/16 in. H
  • Bore: 3-1/2 in.
  • Stroke: 3-1/16 in.
  • Electric start
  • Oil capacity: 48 oz.
  • Cartridge air filter

OEM numbers
  • 31A607-0111-B1, 31A607-0111-E1, 31A607-0113-B1, 31A607-0113-E1, 31A607-0114-B1, 31A607-0114-E1, 31A607-0115-B1, 31A607-0115-E1, 31A607-0120-B1, 31A607-0458-B1, 31A607-0458-E1, 31A607-0740-B1, 31A607-0741-B1, 31A607-0741-B2, 31A607-0741-B3, 31A607-0741-E1, 31A607-0741-G1, 31A607-0741-G2, 31B707-0026-E1, 31C707-0026-G1, 31C707-1329-B1, 31C707-0026, 31C707-3026, 31C707-0026, 31C707-0026-E1, 697761, 31G707-0026-G1, OHV16, 31A607-0111-B1, 31A607-0111-E1, 31A607-0113-B1, 31A607-0113-E1, 31A607-0114-B1, 31A607-0114-E1, 31A607-0115-B1, 31A607-0115-E1, 31A607-0120-B1, 31A607-0458-B1, 31A607-0458-E1, 31A607-0740-B1, 31A607-0741-B1, 31A607-0741-B2, 31A607-0741-B3, 31A607-0741-E1, 31A607-0741-G1, 31A607-0741-G2, 31B707-0026-E1, 31C707-0026-G1, 31C707-1329-B1
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