HH178F Powerful Single Cylinder Air-Cooled Diesel Engine
Home » All Products » Generator » Engine » HH178F Powerful Single Cylinder Air-Cooled Diesel Engine

loading

HH178F Powerful Single Cylinder Air-Cooled Diesel Engine

HH178F Powerful Vertical Single Cylinder Air-Cooled Diesel Engine | Direct Injection | Kick Start/Electric Start
 
Availability:
Quantity:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
sharethis sharing button
  • HH178F

  • HuaHe

Product Overview

The HH178F is a robust and reliable vertical, single-cylinder, four-stroke, air-cooled diesel engine designed to power a wide range of agricultural and industrial machinery. With a displacement of 296cc and a rated output of 3.68kW (approx. 5HP) , reaching a maximum power of 4.0kW (approx. 6HP) at 3000 rpm, this engine delivers the high torque and durability required for heavy-duty applications .


Engineered for performance in demanding environments, the HH178F utilizes a direct injection fuel system for optimal combustion and features a high compression ratio of 20:1. Whether you need a reliable power source for a generator, water pump, or micro tiller (like the 1WG4D tiller which utilizes this engine) , the HH178F offers a compact footprint (480x465x520mm) and a choice between a traditional recoil start or a convenient electric start system.


FAQ

Q1: What type of oil should I use in the HH178F engine?

A1: For optimal performance and longevity, we recommend using CD grade or SAE 10W-30/15W-40 engine oil. The total oil capacity is 1.1 liters.


Q2: What are the main applications for this engine?

A2: The HH178F is a versatile power unit widely used in agricultural machinery (like micro tillers and small tractors ), industrial equipment (such as generators, water pumps, and concrete mixers), and construction tools .


Q3: How do I maintain the air filter?

A3: Regular maintenance is key. In dusty conditions, check the air filter daily. It should be cleaned or replaced as needed to prevent air intake blockage, which can reduce engine power and increase emissions . Refer to your engine manual for specific intervals.


Q4: What should I do if the engine is hard to start?

A4: First, check the basics: ensure you have fresh, clean fuel and that the engine oil is at the correct level. Common causes include fuel contamination or air in the fuel system . Check the fuel filter and bleed the fuel line if necessary. Glow plugs (if equipped) should be inspected in colder climates .



Product Specification


Model HH178F
Type Vertical,single cylinder,four stroke,air-cooled,direct injection
Bore*Stroke(mm) 78mm*62mm
Displacement(L) 0.296
Engine Speed(kw/r/min) 3000 3600
Rated Power Output(kw) 3.68 4
Max Power Output(kw) 4 4.4
Fuel Consumption <280
Fuel Type 0#/-10#/-20#
Engine Oil Type CD grade or SAE 10W-30/15W-40
Compression Ratio 20
Rotation Direction anticlockwise
Starting System Kickback manual start or electric start
Engine Oil Capacity(L) 1.1
Fuel Tank Capacity(L) 3.5
Duration of Operation(h) 3 2.5
Dimension(L*W*H)mm 480*465*520
Gross Weight(kgs) 31(manual start)/37(electric start)


Product Features 

·Powerful & Efficient 296cc Engine: Displacing 296cc, this engine provides a maximum output of 4.0 kW (6HP) @ 3000 rpm. The direct injection system and controlled fuel consumption (<280g/kW·h) ensure you get the most out of every drop of fuel .

· Versatile Vertical Design: The vertical cylinder configuration (Type: Vertical) makes it ideal for mounting on a variety of equipment, including small generators, concrete mixers, water pumps, and walk-behind tractors .

· Durable Air-Cooling System: Unlike liquid-cooled alternatives, the air-cooled design eliminates the need for radiators, coolant, and water pumps. This simplifies maintenance and allows for reliable operation in water-scarce, remote, or harsh environments .

· Easy Starting Options: Choose the Kickback Manual Start for simplicity and reliability in off-grid locations, or opt for the Electric Start model (37kg total weight) for effortless, key-turn convenience .

· Heavy-Duty Construction: Built with a cast-iron cylinder liner and robust components, it is designed to withstand continuous operation in agricultural and construction settings. The engine meets standard environmental compliance for widespread use .

Competitive Advantages 

Compared to other small diesel engines in its class, the HH178F stands out by offering a balance of power, weight, and ease of use.

Feature HH178F (Our Product) Industry Average/Competitors Our Advantage
Cooling System Air-Cooled Often Liquid-Cooled Simpler maintenance, lighter weight, no coolant leaks or radiators to manage. Ideal for dusty or remote areas.
Power Output Max 4.0 kW (6HP) Typically 5HP for similar 296cc ~20% higher power output compared to standard 5HP engines, providing better performance for demanding loads .
Displacement 296cc Often 250cc for 5-6HP class Higher torque and better load stability due to larger displacement, allowing it to handle heavy loads without stalling.
Starting System Manual and Electric Options Electric start often an expensive upgrade Flexibility. Customers can choose the cost-effective manual start or the premium convenience of electric start on the same robust base engine.
Fuel Consumption <280 g/kW·h (Rated) Up to 297 g/kW·h for some 178F variants More efficient fuel burn, leading to lower operating costs and longer continuous operation (3 hours on a 3.5L tank).



Pain Point Solutions 

· Problem: Difficult starting in cold weather or remote areas without electricity.

· Solution: The HH178F offers a mechanical recoil start option that requires no battery or grid power. Furthermore, the high compression ratio (20:1) ensures reliable ignition, and it supports winter-grade fuels (0#/-10#/-20#) for cold-weather operation.

· Problem: Complex maintenance and potential breakdowns of cooling systems.

· Solution: The air-cooled design eliminates the hassle of radiators, water pumps, and coolant. There are fewer parts to fail, making maintenance simpler and the engine more reliable in dusty environments where radiators can easily clog .

· Problem: High fuel costs and inefficiency eating into profits.

· Solution: With a rated fuel consumption of <280 g/kW·h, this engine is optimized for fuel economy. This means you can work longer hours on a single 3.5L tank (approx. 3 hours of operation) without constantly refueling.

· Problem: Engine is too heavy or bulky for compact machinery.

· Solution: Despite its power, the HH178F features a compact footprint (480x465x520mm) and a dry weight of just 31kg for the manual start version, making it easy to integrate into portable generators, small tillers, and other space-conscious equipment.


Previous: 
Next: 
Subsribe Now
Get Daily Update Into Your Mail For join Now
Huahe heavy industries co.,ltd was founded in 1990,all of our huahe members warmly welcome for your kindly visitings.

QUICK LINKS

CONTACT US

     Libei Village, Jinqing Town, Luqiao District, Taizhou         
      District,Taizhou City, Zhejiang Province, China.
     joy@chinahuahe.com
   0576-82713334
      0576-80211111
CONTACT US
Libei Village, Jinqing Town, Luqiao District, Taizhou District,Taizhou City, Zhejiang Province, China.
julio@chinahuahe.com / joy@chinahuahe.com
yoyo@chinahuahe.com
+86-576-82713334 / +86-576-82713329
+86-576-82701111
Julio+86-18958501011 / +86-13357632111
Yoyo+86-15372153008 / 
Joy+86-18958501002
Copyright 2022 Huahe Heavy Industries Co.,Ltd. Technology by Leadong. Sitemap.