Kohler Courage XT-7 Engine — 173cc, 7/8in. Dia. x 3 5/32in.L Vertical Shaft, Model# XT173-0037

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Kohler Courage XT-7 Engine — 173cc, 7/8in. Dia. x 3 5/32in.L Vertical Shaft, Model# XT173-0037

Item# 740065

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Manufacturer's Warranty: 2 years consumer use / 1 year commercial use

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Product Details

The Courage XT is a tough, reliable and professional-grade engine designed for use in MTD walk-behind mowers. Features an overhead valve design for fuel efficiency and a cast iron bore for durability. The oversized muffler ensures quieter performance and an ergonomic handle for easy recoil starts. Upper main ball bearing reduces friction and pulling effort for easy starts and provides extra lubrication.

Features + Benefits

8in. mounting base
Flywheel brake
Electronic ignition
7 ft.-lbs. gross torque
Splash lubrication

Key Specs

Item#	740065
Ship Weight	30.0 lbs
Engine Displacement (cc)	173
Start Type	Recoil
Engine Type	Courage XT-7–OHV
Rated Power (HP)	4.5
Torque (ft./lbs.)	7
Displacement (cu. in.)	10.6
Shaft Output	Vertical
Shaft Diameter (in.)	7/8
Shaft Length (in.)	3 5/32
Shaft Rotation (From PTO Shaft Side)	Counterclockwise
Bearing Type	Ball
Cylinders (qty.)	1
Cylinder Bore	Cast iron
Bore x Stroke (in.)	2.7 x 1.8
Compression Ratio	8.5:1
Cooling System	Air
Fuel Type	Gasoline
Fuel Tank Capacity (qt.)	1.5 (20 oz.)
Oil Capacity (qt.)	0.6
Lubrication System	Splash
Muffler Included	Yes
Bolt Circle (in.)	8
Dimensions L x W x H (in.)	17 1/8 x 13 7/8 x 11
EPA/CARB Approval (California Air Resource Board)	Yes

What's Included

(1) Engine

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Manufacturer Warranty

2 years consumer use / 1 year commercial use

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Extended Warranty

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Manufacturer Warranty: 2 years consumer use / 1 year commercial use

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DESCRIPTION (Click More Info for details)	1 Year Extension	2 Year Extension
Extended Warranty Replacement Plan	Only $24.99	Only $39.99
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4 Questions | 4 Answers

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4 Questions : 4 Answers

Product Q&A

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1 answer

can you mount a pulley on the shaft of this engine?

Anonymous

March 31, 2011

Answers

A pulley can be mounted as long as it is a 7/8" bore.

ProductExpert27

(read all my Q&A)

March 31, 2011

1 answer

how deep are the treads on the output shaft?

Anonymous

- nebraska

September 18, 2011

Answers

The threads would go 1 1/2" deep into the shaft. It has 3/8" -24 TPI tapped end.

ProductExpert6

(read all my Q&A)

September 20, 2011

1 answer

keyway or not? size?

Anonymous

- nebraska

September 18, 2011

Answers

This engine has a 3/16" keyway and two woodruff key slots.

ProductExpert7

(read all my Q&A)

September 19, 2011

1 answer

Is there a oil drain plug on this motor?

Anonymous

December 3, 2012

Answers

There is a crankcase drain plug on the bottom of the Kohler Courage XT-7 engine.

ProductExpert38

(read all my Q&A)

December 6, 2012

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Kohler Courage XT-7 Engine — 173cc, 7/8in. Dia. x 3 5/32in.L Vertical Shaft, Model# XT173-0037

(Not Yet Rated - New)

Item# 740065

Only $219.99

Quick Info

Kohler Courage XT Engine — 173cc, 25mm Dia. x 3 5/32in.L Vertical Shaft, Model# XT173-0007

(Not Yet Rated - New)

Item# 14076

Only $249.99

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Kohler Courage XT Engine — 173cc, 7/8" Dia. x 2 7/16in.L Vertical Shaft, Model# XT173-0010

(Not Yet Rated - New)

Item# 14075

Only $279.99

Hide Similarities

Engine Displacement (cc)	173	173	173
Start Type	Recoil	Recoil	Recoil
Application	-	Rotary lawn mower	Pressure washer, log splitter, tiller, sickle bar mower, small riding mower
Engine Type	Courage XT-7–OHV	OHV	OHV
Rated Power (HP)	4.5	4 1/2	4 1/2
Torque (ft./lbs.)	7	7	7
Displacement (cu. in.)	10.6	10.6	173
Shaft Output	Vertical	CCW	CCW
Crankshaft	-	Hardened	Hardened
Shaft Diameter (in.)	7/8	25mm	7/8
Shaft Length (in.)	3 5/32	3 5/32	2 7/16
Shaft Keyway (in.)	-	3/16	3/16
Shaft End Tapped (Diameter (in.)/Threads per inch)	-	3/8/24	3/8/24
Shaft Rotation (From PTO Shaft Side)	Counterclockwise	CCW	CCW
Bearing Type	Ball	Flywheel ball bearing	Flywheel ball bearing
Cylinders (qty.)	1	1	1
Cylinder Bore	Cast iron	2.7	2.7
Bore x Stroke (in.)	2.7 x 1.8	2.7 x 1.8	2.7 x 1.8
Compression Ratio	8.5:1	8.5 : 1	8.5 : 1
Cooling System	Air	Air	Air
Air Cleaner Type	-	Pleated paper	Pleated paper
Fuel Tank	-	Composite safety	Yes
Fuel Type	Gasoline	Gasoline	Gasoline
Fuel Tank Capacity (qt.)	1.5 (20 oz.)	1.5	1.5
Fuel Filter	-	Internal	Internal
Oil Capacity (qt.)	0.6	0.625	20 oz.
Lubrication System	Splash	Splash	Splash
Ignition System	-	Electronic	Electronic
Governor System	-	Mechanical	Mechanical
Carburetor	-	Float	Float
Throttle Control	-	Fixed speed	Variable speed w/choke and shutdown
Choke Control	-	Primer bulb	Primer bulb
Max. RPM	-	3,600	1,800–3,300
Muffler Included	Yes	Yes	Yes
Flywheel Brake	-	Yes	Heavy flywheel w/ no brake
Bolt Circle (in.)	8	8	8
Dimensions L x W x H (in.)	17 1/8 x 13 7/8 x 11	17 x 12 1/4 x 11	17 x 12 1/4 x 11
EPA/CARB Approval (California Air Resource Board)	Yes	Yes	Yes

Application	-	Rotary lawn mower	Pressure washer, log splitter, tiller, sickle bar mower, small riding mower
Engine Type	Courage XT-7–OHV	OHV	OHV
Rated Power (HP)	4.5	4 1/2	4 1/2
Displacement (cu. in.)	10.6	10.6	173
Shaft Output	Vertical	CCW	CCW
Crankshaft	-	Hardened	Hardened
Shaft Diameter (in.)	7/8	25mm	7/8
Shaft Length (in.)	3 5/32	3 5/32	2 7/16
Shaft Keyway (in.)	-	3/16	3/16
Shaft End Tapped (Diameter (in.)/Threads per inch)	-	3/8/24	3/8/24
Shaft Rotation (From PTO Shaft Side)	Counterclockwise	CCW	CCW
Bearing Type	Ball	Flywheel ball bearing	Flywheel ball bearing
Cylinder Bore	Cast iron	2.7	2.7
Bore x Stroke (in.)	2.7 x 1.8	2.7 x 1.8	2.7 x 1.8
Compression Ratio	8.5:1	8.5 : 1	8.5 : 1
Air Cleaner Type	-	Pleated paper	Pleated paper
Fuel Tank	-	Composite safety	Yes
Fuel Tank Capacity (qt.)	1.5 (20 oz.)	1.5	1.5
Fuel Filter	-	Internal	Internal
Oil Capacity (qt.)	0.6	0.625	20 oz.
Ignition System	-	Electronic	Electronic
Governor System	-	Mechanical	Mechanical
Carburetor	-	Float	Float
Throttle Control	-	Fixed speed	Variable speed w/choke and shutdown
Choke Control	-	Primer bulb	Primer bulb
Max. RPM	-	3,600	1,800–3,300
Flywheel Brake	-	Yes	Heavy flywheel w/ no brake
Dimensions L x W x H (in.)	17 1/8 x 13 7/8 x 11	17 x 12 1/4 x 11	17 x 12 1/4 x 11

See All 121cc - 240cc Kohler Vertical Engines

Kohler Courage XT-7 Engine — 173cc, 7/8in. Dia. x 3 5/32in.L Vertical Shaft, Model# XT173-0037

Product Details

Features + Benefits

Key Specs

What's Included

Manufacturer Warranty

Customer Reviews

Product Question + Answer

Top Accessories

Extended Warranty

Related Products

Compare with Most Popular 121cc - 240cc Kohler Vertical Engines