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Kohler Command PRO OHV V-Twin Vertical Engine with Electric Start — 674cc, 1 1/8in. Dia. x 3 5/32in.L Shaft, Model# PA-CV680-3049

Item# 42740
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Kohler Command PRO OHV V-Twin Vertical Engine with Electric Start — 674cc, 1 1/8in. Dia. x 3 5/32in.L Shaft, Model# PA-CV680-3049

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Only $1849.99
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  • OHV design gives it greater volumetric efficiency and a higher compression ratio for more power, improved fuel economy and cooling, and reduced oil consumption
  • Variable speed mechanical governor promises smooth performance, regardless of application
  •  User-friendly maintenance, thanks to extended maintenance intervals, an easy access, yellow oil fill cap/dipstick handle, dual oil drains
  •  High power performance, with an accelerator pump carburetor, high-performance spark plugs, 20 amp charging (regulated), a larger in-line fuel filter and OHV design
  •  Reliable, long-life design with hardened crankshaft journals, a high-efficiency fan and screen, a commercial air cleaner with large dual-element air filter and foam pre-cleaner, an oil cooler, cast iron cylinder liners, hydraulic valve lifters, full-pressure lubrication and a spin-on, full-flow oil filter
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Product Summary

Kohler Command Pro® 674cc OHV V-Twin Vertical Engine. This 724cc peak performer features a steel-forged vertical shaft and air-cooling in a V-Twin configuration. The engine's OHV design gives it greater volumetric efficiency and a higher compression ratio. This produces more power, improved fuel economy and cooling, and reduced oil consumption. Variable speed mechanical governor promises smooth performance, regardless of application. It has oil-pressurized valve lifters that ensure that the push rods stay in constant contact with the rocker arms. Valve train requires no adjustment and is virtually maintenance-free. Full-pressure lubrication delivers continuous lubrication to critical engine components, even at an 25° angle of operation. Optional oil cooler regulates the oil temperature, extending oil-change intervals. Large-capacity in-line fuel filter provides extra protection against dirt particles. U.S.A.

What's Included
  •  (1) Engine

Features + Benefits

  • OHV design gives it greater volumetric efficiency and a higher compression ratio for more power, improved fuel economy and cooling, and reduced oil consumption
  • Variable speed mechanical governor promises smooth performance, regardless of application
  •  User-friendly maintenance, thanks to extended maintenance intervals, an easy access, yellow oil fill cap/dipstick handle, dual oil drains
  •  High power performance, with an accelerator pump carburetor, high-performance spark plugs, 20 amp charging (regulated), a larger in-line fuel filter and OHV design
  •  Reliable, long-life design with hardened crankshaft journals, a high-efficiency fan and screen, a commercial air cleaner with large dual-element air filter and foam pre-cleaner, an oil cooler, cast iron cylinder liners, hydraulic valve lifters, full-pressure lubrication and a spin-on, full-flow oil filter
  •  Quiet, smooth operation with an integrated muffler and heat shield, an engineered material blower housing and a pulse fuel pump
  •  CARB & EPA emission certified
  •  Easy, dependable starts, with top-mounted controls, a Smart-Choke™ carburetor, an electronic ignition system and a solenoid shift starter
  • Oil-pressurized valve lifters ensure that the push rods stay in constant contact with the rocker arms
  •  Valve train requires no adjustment and is virtually maintenance-free
  • Full-pressure lubrication delivers continuous lubrication to critical engine components, even at an 25° angle of operation
  • Does not include outer air cleaner cover; OEM supplied
Key Specs
Item# 42740
Brand Kohler Engines
Manufacturer's Warranty 3 Yr Consumer Limited
Ship Weight 108.0 lbs
Engine Displacement (cc) 674
Start Type Electric
Application Replacement engine
Engine Type Vertical OHV
Torque (ft./lbs.) 35.8 (48.5 Nm) at 3,600 RPM
Displacement (cu. in.) 41
Shaft Output Counterclockwise
Crankshaft Hardened
Shaft Diameter (in.) 1 1/8
Shaft Length (in.) 3 5/32
Shaft Keyway (in.) 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 7/16-20
Shaft Rotation (From PTO Shaft Side) Counterclockwise
Gear Reduction No
Bearing Type Parent material
Cylinders (qty.) 2
Cylinder Bore Cast iron
Bore x Stroke (in.) 3.2 x 2.64
Compression Ratio 8.5:1
Cooling System Air cooled
Air Cleaner Type Dual element w/foam precleaner
Fuel Tank Not included
Fuel Type Gasoline
Fuel Pump Pulse
Fuel Filter Remote
Oil Capacity (qt.) 2
Lubrication System Full pressure
Low Oil Alert Oil Sentry, shipped disconnected
Low Oil Shutdown Oil Sentry, shipped disconnected
Ignition System Electronic
Governor System Variable speed
Carburetor High performance accelerator pump carburetor
Throttle Control Remote
Choke Control Smart choke carburetor
Max. RPM 3,600
Charging System Amps 20
Muffler Included Yes
Auto Compression Release Yes
Bolt Circle (in.) 10
Mounting Base L x W (in.) 10
Mounting Bolt Pattern L x W (in.) 10 x 10
Dimensions L x W x H (in.) 21 3/16 x 17 11/16 x 14 5/16
EPA/CARB Approval (California Air Resource Board) Yes

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Replacement Parts
Call To Order: 1-800-657-0516

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Kohler Command PRO OHV V-Twin Vertical Engine with Electric Start — 674cc, 1 1/8in. Dia. x 3 5/32in.L Shaft, Model# PA-CV680-3049 The price is $1,849.99.
Kohler Command PRO OHV V-Twin Vertical Engine with Electric Start — 674cc, 1 1/8in. Dia. x 3 5/32in.L Shaft, Model# PA-CV680-3049
(Not Yet Rated - New)
Item# 42740
Factory Shipped —
Estimated Delivery: 5 - 7 Business Days
Only $1849.99
Hide Similarities
Engine Displacement (cc)
725 674 725 725 674
Start Type
Electric Electric Electric Electric Electric
Application Walk-behind, stand-on, commercial rider mower Sod cutter, greens mower, walk-behind and zero-turn mowers, golf cart, aerator, blower and more Walk-behind mower, zero-turn mower, garden tractor WAWB, Zero-turn mowers, garden tractors Replacement engine
Engine Type Air cooled Gas vertical Air cooled Gasoline/air Vertical OHV
Torque (ft./lbs.)
40.7 (55.2 Nm) at 3,600 RPM 35.8 (48.5 Nm) at 3,600 RPM 36.9 (50 Nm) at 3,600 RPM 39.2 (53.1 Nm) at 3,600 RPM 35.8 (48.5 Nm) at 3,600 RPM
Displacement (cu. in.)
725 41 725 725 41
Shaft Output
CCW CCW CCW CCW Counterclockwise
Crankshaft Hardened Hardened Hardened Hardened Hardened
Shaft Diameter (in.) 1 1 1 1/8 1.125 1 1/8
Shaft Length (in.) 3.16 3.16 3 5/16 3.16 3 5/32
Shaft Keyway (in.)
7/16-20 0.25 1/4 0.25 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 7/16-20 1.5 x 7/16 - 20 UNF 7/16–20 UNF 7/16–20 UNF 7/16-20
Shaft Rotation (From PTO Shaft Side) ccw CCW CCW CCW Counterclockwise
Gear Reduction
- No - - No
Bearing Type
Parent material PTO sleeve bearing Sleeve Sleeve Parent material
Cylinders (qty.)
2 2 2 2 2
Cylinder Bore
Cast iron cylinder sleeve Cast iron cylinder liner Cast iron liner Cast iron liner Cast iron
Bore x Stroke (in.)
3.3 x 2.6 3 x 2.6 3.3 x 2.6 3.3 x 2.6 3.2 x 2.64
Compression Ratio
9.1:1 8.5:1 9:1 9:1 8.5:1
Cooling System
Air Air Air Air Air cooled
Air Cleaner Type
Cyclonic air filter w/Quad Clean Dual element Dual element Dual element Dual element w/foam precleaner
Fuel Tank - No - - Not included
Fuel Type Gasoline Gas Gasoline Gasoline Gasoline
Fuel Pump
Pulse type Pulse Yes Pulse style Pulse
Fuel Filter
Pro performance (9-12 micron) Large capacity in-line fuel filter Yes Yes Remote
Oil Capacity (qt.)
2 2 2 2 2
Lubrication System
Pressure lubrication with full flow Full pressure Full pressure Full pressure Full pressure
Low Oil Alert
Yes Oil Sentry, shipped disconnected Yes Yes Oil Sentry, shipped disconnected
Low Oil Shutdown
Oil Sentry Oil Sentry, shipped disconnected Yes Yes Oil Sentry, shipped disconnected
Ignition System
12V solenoid shift starter Electronic Electronic Electronic Electronic
Governor System
Mechanical Variable speed Mechanical Mechanical Variable speed
Carburetor
Smart choke High performance accelerator pump carburetor Smart choke Smart choke High performance accelerator pump carburetor
Throttle Control
Remote Remote Remote Remote Remote
Choke Control
Remote Remote Remote Remote Smart choke carburetor
Max. RPM
3,600 3,600 3,600 3,600 3,600
Charging System Amps 12A regulated 20A alternator, regulated 20A regulated 20A regulated 20
Muffler Included
Optional No Yes Yes Yes
Auto Compression Release
Yes No - - Yes
Bolt Circle (in.)
10 10-in. mounting base 10 10 10
Mounting Base L x W (in.)
10 D.B.C.; 4 cored holes (for OEM self tap) 10-in. mounting base 10 in. bolt circle 10 in. bolt circle 10
Mounting Bolt Pattern L x W (in.) 10 10-in. mounting base - 10 in. bolt circle 10 x 10
Dimensions L x W x H (in.)
18 4/5 x 17 1/2 x 17 21.2 x 17.7 x 14.3 21 x 17 3/4 x 14.3 21 x 17 3/4 x 14 21 3/16 x 17 11/16 x 14 5/16
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes Yes Yes