Briggs & Stratton 49X977-0003-G1 27 HP Commercial CXi Series Fuel Injected Engine, Vertical 1-1/8x4-5/16 Shaft, Electric Start, 16 Amp Alternator
MPN 49X977-0003-G1
Overview
The Briggs & Stratton 49X977-0003-G1 is a replacement engine for outdoor power equipment: 27 HP Commercial CXi Series Fuel Injected Engine, Vertical 1-1/8x4-5/16 Shaft, Electric Start, 16 Amp Alternator.
Features
- Engine Series is Briggs & Stratton Commercial Turf Series.
- Power Rating is 27.
- Valve Type is Overhead Valve.
- Mounting is Vertical.
- Engine Displacement (cc) is 810.
- Starter Type is Electric Start.
- Alternator is 16 Amp.
- Low Oil Shutdown is Yes (Low oil sensor may have to be disconnected to prevent engine stops during angled operation equipment like tillers.).
- Oil type is Vanguard 15W-50 Full Synthetic (See OCK-B49-15550).
- Oil Refill Capacity is 2.1 qt (2.0 L).
- Shaft Size is 1-1/8"Dx4-5/16"L.
- Fuel Pump is Yes.
Specifications
| Brand | Briggs & Stratton |
|---|---|
| MPN | 49X977-0003-G1 |
| Category | Engines |
| Weight | 91.95 LBS |
| Engine Series | Briggs & Stratton Commercial Turf Series |
| Power Rating | 27 |
| Valve Type | Overhead Valve |
| Sleeved Bore | Yes |
| Mounting | Vertical |
| Engine Displacement (cc) | 810 |
| Starter Type | Electric Start |
| Heavy Flywheel | Yes |
| Alternator | 16 Amp |
| Low Oil Shutdown | Yes (Low oil sensor may have to be disconnected to prevent engine stops during angled operation equipment like tillers.) |
| Oil type | Vanguard 15W-50 Full Synthetic (See OCK-B49-15550) |
| Oil Refill Capacity | 2.1 qt (2.0 L) |
| Shaft Size | 1-1/8"Dx4-5/16"L |
| Fuel Pump | Yes |
Fitment
Confirm manufacturer part number 49X977-0003-G1 (Briggs & Stratton) against the model and serial plate on your equipment and the part being replaced. Source specifications call out engine series Briggs & Stratton Commercial Turf Series; mounting Vertical; engine displacement (cc) 810; starter type Electric Start.
Frequently Asked Questions
What part number is this engines?
The manufacturer part number is 49X977-0003-G1, brand Briggs & Stratton.
How do I check fitment?
Confirm manufacturer part number 49X977-0003-G1 (Briggs & Stratton) against the model and serial plate on your equipment and the part being replaced. Source specifications call out engine series Briggs & Stratton Commercial Turf Series; mounting Vertical; engine displacement (cc) 810; starter type Electric Start.
What is the engine displacement?
Engine Displacement (cc) is listed as 810.
What shaft size does this use?
Shaft Size: 1-1/8"Dx4-5/16"L.
What warranty is stated for this item?
3-Year Engine Manufacturer Warranty.
Not the right engine?
Get a repower quote
Old engine discontinued or out of stock? Send us the model/spec from your engine and we'll match a current replacement that bolts in.
Request a repower quoteFree · No obligation · Quoted within 1–2 business days
Before you go
Want quotes from 10+ distributors on this part?
Tell us where to send them. We will check price and availability across our distributor network and email you the best offers.

Briggs & Stratton · 49X977-0003-G1
Briggs & Stratton 49X977-0003-G1 27 HP Commercial CXi Series Fuel Injected Engine, Vertical 1-1/8x4-5/16 Shaft, Electric Start, 16 Amp Alternator
Rather buy it now?
Request sent
We'll email with quotes for Briggs & Stratton 49X977-0003-G1.