Description
Briggs and Stratton 31hp Vanguard V-Twin electric start - Keyway shaft, no fuel tank & exhaust
The premium Vanguard® V-Twin horizontal engine range has been designed and application engineered to deliver the most durable performance. The premium engine range offers a full 3-Year limited global warranty for commercial use which demonstrates Briggs & Stratton’s commitment to delivering the best-performing products.
Please note this engine is supplied WITHOUT a fuel tank or muffler. See Exhaust Options tab.
Features
V-Twin OHV Technology
Superior balance, low vibration, lower emissions, improved valve life, better fuel economy and higher HP/Weight
Cooler Cleaner Technology (efficient fan, improved debris management)
Efficiently reduces engine and oil temperatures by 25-30 degrees while effectively managing airborne debris
Five-Inch Centrifugal Multi-Stage Air Cleaner
Provides maximum engine protection, especially under dirty and dusty conditions.
Dura-Bore Cast Iron Cylinder Sleeve
Withstands wear while providing improved oil control
Engine Warranty
Three year commercial engine warranty for all applications
Full Pressure Lubrication with Spin-On Oil Filter
Cleans oil and protects engine components to ensure maximum lubrication and long life
Centrally Located Oil Pump and Pickup
Faster priming and allows for a higher angle of operation
Oil Cooler
Reduces oil temperature, improves lubrication and extends oil change intervals
High Efficiency Head Design
Angled ports optimizes tumble and mixture preparation for improved efficiency, smoother idle, lower emissions and more power
Light Weight Piston & Ring Package
Lowers noise, vibration, oil consumption, emissions and wear
Dynamically Balanced Crankshaft
Minimizes engine noise and vibration
Low Profile Dual-Clean® Air Cleaner
Industrial Pleated paper with foam pre-cleaner for extended engine life
Mechanical Compression Release
Smooth easy starting, longer starter life and provides an instant return to maximum power
Magnetron® Electronic Ignition
Quick dependable starts with no maintenance required
Poly-Core Blower Housing
Lowers noise level and improves sound quality
Specifications
| Engine Design |
V-Twin, 4-stroke, air-cooled, OHV |
| Starter Type |
Electric only |
| Gross Power |
31 HP @ 3600 RPM See Power Curve |
| Compression Ratio |
8.2:1 |
| Displacement |
896 cc |
| Cylinder |
Cast Iron Sleeve |
| Bore |
85,5 mm |
| Stroke |
78 mm |
| Oil Capacity |
2,3 Litres |
| Dry Weight |
56,8 kg |
| Length |
379 mm |
| Width |
496 mm |
| Height |
725 mm |
| PTO Shaft |
28,5 mm Ø x 101 mm See Crankshaft Drawing |
Briggs-843290-Crankshaft-Drawing
Exhaust Options
Please note this engine is supplied WITHOUT a fuel tank or muffler. Mufflers are sold as an optional extra.
845741 – Muffler with Starter Motor side outlet
846153 – Muffler with Oil Filter side outlet
843741 – Muffler with rear-facing outlet
