Description
Briggs & Stratton Intek 31R976-0016-G1 Vertical Engine – 500cc | 17.5 Gross HP | Recoil Start | 1” x 3-5/32” Shaft | With Muffler
Reliable, Durable Power for Lawn Tractors and Mowers – Built to Perform.
The Briggs & Stratton 31R976-0016-G1 17.5 HP Intek vertical engine is a trusted powerplant for riding mowers and lawn tractors. Designed with a durable 500cc OHV single-cylinder engine, this model features a 1″ x 3-5/32″ crankshaft, recoil start, and a 9-amp alternator to power your mower’s accessories.
Briggs & Stratton’s Intek Series engines deliver the balance of long-lasting durability, smooth performance, and dependable power that mower owners demand. A heavy-duty cast iron sleeve protects the cylinder for long life, while the included muffler, fuel pump, and electronic ignition ensure reliable operation. This engine is CARB-compliant in all 50 states and includes a 2-year limited consumer warranty.
🔧 Specifications
| Feature | Specification |
|---|---|
| Brand | Briggs & Stratton |
| Model Number | 31R976-0016-G1 |
| Engine Series | Intek OHV |
| Engine Type | 4-Cycle, Single-Cylinder |
| Horsepower (Gross) | 17.5 HP |
| Displacement | 500cc |
| Crankshaft Orientation | Vertical |
| Crankshaft Dimensions | 1″ Diameter x 3-5/32″ Length |
| Crankshaft End Tapped Size | 7/16 – 20 |
| Crankshaft Rotation (PTO Side) | Counterclockwise |
| Bearing Type | Plain PTO |
| Starter Type | Recoil Start |
| Charging System | 9 Amp Alternator |
| Ignition System | Electronic |
| Cooling System | Air-Cooled |
| Air Cleaner Type | Cartridge |
| Fuel System | Gasoline / Float Carburetor |
| Fuel Pump | Yes |
| Oil Capacity | 48 oz. |
| Oil Filter | Not Included |
| Cylinder Bore | Cast Iron Sleeve |
| Max RPM | 3300 RPM |
| Low Oil Shutdown | No |
| Choke Control | Choke-A-Matic |
| Muffler | Included |
| Fuel Tank | Not Included |
| Warranty | 2-Year Consumer / 1-Year Commercial |
| Compliance | 50-State CARB Compliant |
| Shipping Weight | 77 lbs |
🌟 Key Features
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✅ 17.5 Gross HP Single-Cylinder Power – Ideal for riding mowers and tractors
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✅ Heavy-Duty Cast Iron Cylinder Sleeve – Enhanced durability for long engine life
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✅ Electronic Ignition & Recoil Start – Reliable, consistent starting performance
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✅ 9-Amp Alternator – Supports mower accessories and battery charging
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✅ Pre-installed Muffler – Reduces noise and simplifies installation
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✅ CARB Compliant – Meets emissions standards in all 50 U.S. states
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✅ 2-Year Consumer Warranty – Coverage you can trust
📦 What’s Included
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Briggs & Stratton 31R976-0016-G1 Engine
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Recoil Start with 9-Amp Alternator
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Muffler
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Owner’s Manual
🛠️ Ideal Applications
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Riding Lawn Mowers
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Lawn Tractors
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Yard & Garden Equipment
🚚 Shipping & Warranty Information
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Ships within 5–7 business days
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Free shipping with protective foam packaging
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Backed by Briggs & Stratton’s 2-Year Consumer / 1-Year Commercial Warranty
❓ Frequently Asked Questions (FAQs)
Q1: Is this engine suitable for use in all 50 states?
Yes, the 31R976-0016-G1 is fully CARB-compliant, approved for use in California and nationwide.
Q2: Does this engine include a muffler?
Yes, a muffler is included with this engine for quieter operation and easy installation.
Q3: Can this engine replace my existing Briggs vertical shaft engine?
If your mower requires a 1” x 3-5/32” vertical shaft with similar orientation and specs, this is a suitable replacement.
Q4: What is the oil capacity?
The oil capacity is 48 oz. Briggs & Stratton recommends SAE 10W-30 oil for most conditions.
🔗 Related Products
Meta Description:
Shop Briggs & Stratton 31R976-0016-G1 Intek 17.5HP Vertical Engine – 1” shaft, recoil start, 9-amp alternator, with muffler, CARB compliant. Ships fast. 2-year warranty.
