What is the shaft length diameter? Is it keyed and what is size of thread tap?

Crank size diameter 1 inch, length 3 and 5/32", and thread is 7/16 X 20. It is keyed.

Will this Briggs engine bolt in to replace a Kohler courage 20 in a 10 year old Troy bronco ?

I bought this engine and put it on a Troy built mower and it quit before i ever finished mowing the first time I used it. It ran for about 1 hour and started knocking and before I could turn the switch off it locked up.It was still full of oil when it locked up .In my opinion this engine should not have ever been manufactured.I would never waste my money or time on buying this engine if I were you. It should fit fine but will it last??????? I don't think so. I think they have stopped making this engine and replaced it with a newer model.

Will this replace a 33R877-0004-G1 engine on a john deere 110 tractor?

It should bolt right in to any 100 series John Deere. I know the wiring harness plugs right into the 105, 110, 115.

Will this work to replace a 331977-0010-G1?

Carefully look at all the pictures of different views of this engine and then compare them to your present engine.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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33S877-0019-G1 Professional Series 19 HP 540cc Vertical Engine

Product ID: 78779841

Details

Brand
Briggs &
Horsepower
19 Horsepower
Model Name
Simpson
Speed
3400 RPM
Voltage
12 Volts (DC)

⚡9 amp charging system

🔥19 HP, 540cc power

🛢️Full pressure lubrication with oil filter

R$17447

Duties & taxes included

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Description

⚙️ Power your ride mower like a pro—because your lawn deserves the best!

MAINTENANCE MADE SIMPLE - Full pressure lubrication with oil filter means less downtime and more mowing.
POWERFUL 9 AMP CHARGING - Keep your battery charged and ready with a robust 9 amp system.
EFFORTLESS ELECTRIC START - Get going instantly with a reliable electric starter—no more frustrating pulls.
DURABLE DURA BORE CYLINDER - Cast iron sleeve ensures extended engine life, built to outlast the competition.
COOL EFFICIENT OHV DESIGN - Overhead valve technology keeps your engine running cooler and longer.

The Briggs & Stratton 33S877-0019-G1 is a 19 HP, 540cc professional-grade vertical engine designed for riding lawn mowers. Featuring a 9 amp charging system, electric start, and durable Dura-Bore cast iron cylinder sleeve, it delivers reliable, long-lasting performance. Its overhead valve design ensures cooler operation and extended valve life, while full pressure lubrication with an oil filter reduces maintenance. Backed by a 2-year consumer warranty, this engine is engineered for professionals who demand power and dependability.

Specifications

ASIN	B07DWZMSZH
Best Sellers Rank	#99,835 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #40 in Replacement Outdoor Power Tool Engines
Brand Name	Briggs & Stratton
Customer Reviews	4.5 4.5 out of 5 stars (473)
Global Trade Identification Number	00047282149935
Horsepower	19 Horsepower
Included Components	Tools
Item Type Name	Intek Series, 19 HP, 540 cc, Single Cylinder Engine
Item Weight	77 Pounds
Manufacturer	Briggs and Stratton
Material Type	Iron
Model	33S877-0019-G1
Model Name	Simpson
Part Number	33S877-0019-G1
Speed	3400 RPM
UPC	047282149935
Voltage	12 Volts (DC)

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R$17447

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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