Free Shipping and No Hassle Returns
Free Shipping
We offer free shipping on orders over $199.*
No Hassle Returns
Don’t like it? Send it back. It’s that simple.*
Same Day Shipping
Most orders ship same day if placed by 5PM EST (M-F)
*Restrictions Apply. See Details »
Free Shipping on orders over $199 $99
Same day shipping on most orders
Need it before Christmas? Click here for Shipping Calculator
Model#: BGSN31C707-3026-G5
Condition:
New

What are the different product conditions?

New
Brand new items;Full manufacturer warranty available
Reconditioned
Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
Open Box
New or Recon items with possible minor cosmetic damage; CPO 60 day money back guarantee
Certified
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Briggs & Stratton 31C707-3026-G5 500cc Power Built Series Engine with 1 in. Tapped 7/16 - 20 Keyway Crankshaft (CARB)

  • Briggs & Stratton 31C707-3026-G5 500cc Power Built Series Engine with 1 in. Tapped 7/16 - 20 Keyway Crankshaft (CARB)
Free Shipping
(continental U.S.)
+
Tyler Tool Protection Plans are not currently offered to residents of California
This item is no longer available.
Give us a call, we're here to help.
866-577-0663
Add to Cart

Details

Briggs & Stratton's Power Built Series is a value-engineered yet highly functional group of engines. Designed to meet basic riding mower needs, the Power Built series features unique Overhead Valve (OHV) technology combined with a simple to maintain design to create a more durable, long lasting engine.
Features:
  • Advanced debris management with dual-sealing cartridge style air filter provides the maximum protection to extend engine life
  • AVS anti-vibration system provides linear balancing to eliminate side motion to reduce vibration and smoothen operation
  • Dura-Bore cast iron cylinder sleeve withstands more wear and abuse while providing improved oil control
  • DuraLube splash lubrication system offers a gear driven system that continuously supplies oil to all internal parts
  • Heavy-duty Teflon coated bronze sleeve bearing withstands twice the belt load of standard bearings to reduce wear
  • Magnetron electronic ignition delivers quick and dependable stars with no maintenance required
  • Overhead Valve (OHV) design runs cooler and cleaner to deliver more power, longer life and improved fuel economy
  • Model Specific Features: Choke-A-Matic choke, 12V Gear Drive starter with 9 amp DC alternator and dipstick oil system
  • Please Note: Fuel tank omitted from this model
Includes:
  • 500cc Power Built Series Engine w/ 1 in. Tapped 7/16-20 Keyway Crankshaft - 31C707-3026-G5

Specifications

Series: Power Built
Length: 18.9 in.
Width: 15.5 in.
Height: 12.9 in.
Carburetor: Float-Feed
Controls: Remote
Cooling System: Air
Crankshaft Diameter: 1 in.
Crankshaft Length (Sump Face to Crankshaft End): 3-5/32 in.
Crankshaft Model Number: 697127
Crankshaft Tapping Size: 7/16-in - 20
Crankshaft Type: Keyway
Cylinder Bore: 3.56-in (90.5mm)
Cylinder Stroke Length: 3.06-in (77.6mm)
Engine Configuration: Vertical
Engine Displacement: 500cc
Engine Technology: OHV
Fuel Type: Gas
Governor: Mechanical
Governor Max. Speed (RPM): 3,300
Horsepower: 17.5
Lubrication System: Splash
Number of Cylinders: 1
Oil Capacity: 48 oz.
Power Type: Gas
Recommended Use: Lawn Mowers, Riding Mowers, Tow-Behind Mowers
Shipping Weight: 77.6 lbs.
Starter: Recoil

Recommendations

Reviews

5.0 / 5.0
1 Review
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
1
0
0
0
0
Would you recommend?
Yes (1)
Pros
Easy To Use (1)
Recommendations
Yes, I would recommend this to a friend
Pros
Easy To Use
started right up
works great
March 30, 2014

Questions & Answers

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 4 questions Browse 4 questions and 5 answers
I need to chamge my engine 31G777 0120/E1/0208147A which would mower this model compatible
Emilio on Aug 19, 2016
BEST ANSWER: Your question would be best answered by Briggs & Stratton directly. For assistance, please call 800-683-8484
Does this engine include the pulse fuel pump?
Joel on Aug 25, 2013
BEST ANSWER: No this engine does not include a pulse fuel pump.
wires on carb for choke or fuel shut off? will this engine run on propane?
Tony on May 24, 2013
BEST ANSWER: This engine will not operate on propane.
I have a B&S 31P707 engine I'm looking to replace on my lawn mower. What models are compatible?
Joshua on Oct 6, 2012
BEST ANSWER: The 31P707 Series comes in many different variations. You should call Briggs & Stratton direct at 1-800-444-7774 for further assistance and ensure a compatible fit.

Christmas Shipping Cut Offs

Enter your zip code for estimated shipping dates

Order by the dates below to get delivery by Christmas
Standard Delivery *Enter zip code for order by date
Express Delivery
Priority Delivery
Premium Delivery

Orders must be placed by 5PM EST.

Certain items require 2-3 business days to ship and is clearly indicated on the product page. These items cannot be expedited.

Delivery times on Economy and Freight orders vary, exact delivery date cannot be determined.