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Powerhorse OHV Horizontal Engine, 420cc, 12.5 HP, 1in. x 3-31/64in. Shaft

Item# 750122
Powerhorse OHV Horizontal Engine, 420cc, 12.5 HP, 1in. x 3-31/64in. Shaft

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Powerhorse OHV Horizontal Engine, 420cc, 12.5 HP, 1in. x 3-31/64in. Shaft

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  • 420cc OHV engine with 1in. x 3-31/64in. horizontal shaft delivers 12.5 HP and 18 ft./lbs. torque
  • Cast iron cylinder sleeve reduces bore wear, lowers oil consumption and extends engine life
  • Forged-steel crankshaft and dual ball bearings provide smooth operation and superior strength under load
  • Low oil shutdown protects the engine by turning it off when oil runs low
  • Internal oil splash system delivers added lubrication for reliable performance

  • Prop 65 Warning: See Details

See full description

Complete Your Solution

  • Powerhorse OHV Horizontal Engine, 420cc, 12.5 HP, 1in. x 3-31/64in. Shaft
  • Honda Power Equipment 10W-30 Motor Oil, 1-Qt. Bottle
  • GDI, HOUR METER W/TACHOMETER, Model# N111-0100-1005
Price for all three:

$497.97

Frequently Bought Together

  • Description

  • Key Specs

  • Disclaimers

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

The Powerhorse 420cc OHV Horizontal Engine delivers reliable 12.5 HP performance with 18 ft./lbs. of torque for powering log splitters, pressure washers and other heavy-duty equipment. A cast iron cylinder sleeve, forged-steel crankshaft and dual ball bearings deliver the rugged strength needed for a 1,000-hour engine life. An internal oil splash system, low oil shutdown and sound pressure-balanced muffler add critical protection and smooth, consistent operation. With easy recoil starting and compression release for dependable first-pull starts, the Powerhorse 420cc OHV Horizontal Engine delivers the durability, efficiency and long-running value pros count on every day.

What's Included

    (1) Powerhorse 420cc OHV Horizontal Engine

Downloads

Product Manual
Play Item Video

Features + Benefits

  • 420cc OHV engine with 1in. x 3-31/64in. horizontal shaft delivers 12.5 HP and 18 ft./lbs. torque
  • Cast iron cylinder sleeve reduces bore wear, lowers oil consumption and extends engine life
  • Forged-steel crankshaft and dual ball bearings provide smooth operation and superior strength under load
  • Low oil shutdown protects the engine by turning it off when oil runs low
  • Internal oil splash system delivers added lubrication for reliable performance
  • Sound pressure balanced muffler helps reduce noise and improve smooth operation
  • Heavy-duty metal fuel tank with baffles minimizes slosh for consistent fuel delivery
  • Easy recoil start with compression release for dependable first-pull starts
  • Pleated paper air filter and foam pre-cleaner protect against harmful debris
  • Base-to-output shaft height is 133.5mm with 8-bolt circles and 2 mounting patterns
  • Not for sale in California

Key Specs

AttributeSpecification

item#

750122

Brand

Powerhorse

Manufacturer's Warranty

2 year limited warranty

Ship Weight

82.6 LB

Engine Displacement

420 cc

Engine Type

OHV

Shaft Diameter

1 in

Shaft Length

3.48 in

Start Type

Electric

Shaft Keyway

0.25 in

Cylinders (qty.)

1

Net Power Output

12.5 HP

Fuel Tank Capacity

6.8 qt

Oil Capacity

1.16 qt

Low Oil Alert

Yes
AttributeSpecification

CARB Approved

No

Shaft Rotation (From PTO Shaft Side)

Counter Clockwise

Governor System

Mechanical Centrifugal

Ignition System

CDI

Carburetor

Horizontal Type, Butterfly Valve

Lubrication System

Splash

Cooling System

Air

Bore

3.54 in

Stroke

2.6 in

Air Cleaner Type

Dual Element

Charging System Amps

0.5

Muffler Included

Yes

Product Weight

82.6000 lb

Dimensions L x W x H (in.)

21.26 x 18.9 x 20.5 in

Warnings + Disclaimers

High Altitude Operation

CAUTION: Operating at an altitude of greater than 2000 feet (610 meters) may affect your engine's performance, fuel consumption, and emissions. To remain emissions compliant and improve engine performance at higher altitudes, a high-altitude kit is required. A high altitude kit includes a carburetor jet resized to help correct air / fuel mixture at altitude. To order a high altitude kit, or if you have additional questions, contact us at 1-866-442-2576. Please note, engines with the high-altitude kit installed operated at lower altitudes could cause severe engine damage and affect emissions compliance. When modified, a tag or decal should be added to the product stating that a high-altitude kit was installed and to remind you to re-service the carburetor (re-jet) when operating in lower altitude environments.

Reviews

Questions & Answers

32 Reviews This action will navigate to reviews.

Questions

1–10 of 23 Questions  
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  1. Does this come with any oil to put in or is that a separate purchase and if it doesn't what kind of oil does it take

    1 answer

    1. This engine is shipped without oil. SAE 10W-30 is recommended for general use. Please see item 1707002.

      Helpful?

  2. Is the end of the shaft tapped for a bolt?

    1 answer

    1. This engine has a 3/8"-24 UNF 2B tapped shaft for a bolt.

      Helpful?

  3. what are its dimensions? LxWxH

    1 answer

    1. This engine is 18.987" long x 16.535" wide x 17.716" high overall.

      Helpful?

  4. what are the 8 mounting bolt circles with 2 mounting patterns

    1 answer

    1. The four bolt holes closest to the shaft have a 4-5/16" bolt circle. The four bolt holes just outside that have a 4-3/8" bolt hole circle.

      Helpful?

  5. Valve lash, intake & exhaust, cold?

    1 answer

    1. The valve lash for this engine when cold is 0.1 mm for the intake and 0.15 mm for the exhaust, with a tolerance of ±0.02 mm.

      Helpful?

  6. What are the bolt sizes for the 8 mounting bolt circles with 2 mounting patterns

    1 answer

    1. The bolt holes accommodate 5/16in.-24 TPI bolts.

      Helpful?

  7. Is the output shaft 1” also is the exhaust flush to accommodate a chipper housing ?

    1 answer

    1. This engine has a 1in. diameter shaft that is 3-31/64in. long. The muffler sits flush with the air filter.

      Helpful?

  8. What is the torque on this motor

    1 answer

    1. This engine produces 18 foot-pounds of torque.

      Helpful?

  9. What throttle cable should I use for this engine?

    1 answer

    1. This engine is equipped with a manual throttle. A throttle cable can be connected to the engine at the discretion of the user, but a bracket would need to be installed for the cable.

      Helpful?

  10. who is the manufacturer?

    1 answer

    1. The engine is made to our specifications for the Powerhorse brand by Chongqing Dajiang Power Equipment.

      Helpful?

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Warranty

Manufacturer's Warranty

2 year limited warranty

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Replacement Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.