Vote for the Next DHK Installation Package Today
Reserve Today Mobile Menu
Made in the USA

4-Cylinder Engines

Our Engines Change What's Possible

Compact. Powerful. Adaptable.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation.

Content goes here

Easy cold weather starts, easy hot restarts, no mixture control, no shock cooling, single lever control

Numerous redundancies, no complicated FADEC, 40% fewer parts than other engines, cooler operation, no CO cabin heating threat

Approximately 35-40% more fuel efficient than AVGAS engines, simple maintenance, direct-drive (No gearbox), low parts count for lower overhaul costs

Turbo-charged and supercharged altitude performance (critical altitude in excess of 17,500 feet), incredible low-end torque, high re-light altitude, short-takeoff runs and fast climbs

Burns traditional Jet Fuel plus SAF…the future of aviation fuel

Burns 35-40% less fuel, no lead, positioned for SAF…carbon neutral aviation fuel

Content goes here

Technology

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation.

Learn More

Specifications & Operational Performance

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation.

Download Spec Sheet

Operational Performance

Model
DHK180A4
DHK200A4
DHK235A4
HP (kW) @ MAX POWER
180HP (134.2kW)
200HP (149.1kW)
235HP (175.2kW)
MAXIMUM CONTINUOUS POWER HP (kW) @ 2600rpm
180HP (134.2kW)
200HP (149.1kW)
235HP (175.2kW)
FUEL CONSUMPTION @MAX POWER - gal/hr. (L/hr.) @2600rpm
10.8gal/hr (40.9 L/hr)
11.4gal/hr (43.2 L/hr)
13.1gal/hr (49.6 L/hr)
HP (kW) @ BEST ECONOMY- 2200rpm
135HP (100.7kW)
150HP(111.8kW)
188HP (140.2kW)
FUEL CONSUMPTION @BEST ECONOMY - gal/hr. (L/hr.) @2200rpm
7.3gal/hr (27.6 L/hr)
8.3gal/hr (31.4 L/hr)
10.2gal/hr (38.6 L/hr)
TORQUE ft-lbs (Nm) @ 2600rpm
363ft-lbs (492Nm)
404ft-lbs (547Nm)
474 ft-lbs (642Nm)

Additional Specifications

ASPIRATION
COMPOUND BOOSTED - SUPERCHARGED/TURBOCHARGED w/ CHARGE AIR COOLER
ROTATION
CLOCKWISE FROM PILOT’S PERSPECTIVE
WEIGHT - lbs (kg) est.
335 lbs.(151kg) - INCLUDES STARTER ALTERNATOR, TURBO, & EXHAUST SYSTEM
DISPLACEMENT - in3 (liter)
202 in3 (3.3L)
ENGINE TYPE
INVERTED VEE
NUMBER OF CYLINDERS
4
IGNITION TYPE
COMPRESSION IGNITION
FUEL TYPE
CERTIFICATION FUELS; JET A, JET A-1. WILL BURN JP5, JP8, SAF, #2 DIESEL
FUEL SYSTEM
DIRECT INJECTION - 4 INDEPENDENT PUMP LINE NOZZLE SYSTEMS
COMPRESSION RATIO
20:1 GEOMETRIC (~18:1 DYNAMIC)
MAXIMUM RPM
2600
OIL SYSTEM
SINGLE STAGE MECHANICAL GEAR PRESSURE/ TWO STAGE MECHANICAL GEAR SCAVENGE
SUPERCHARGER
BELT DRIVEN TWIN SCREW
INDUCTION
PISTON PORTED 2-STROKE PRESSURE SCAVENGED
COLD START CAPABILITIES
EXTERNAL BLOCK HEATER/INTEGRAL GLOW PLUGS - 24V (12V AVAILABLE AS OPTION)
OPERATIONAL TEMPERATURES °F (°C)
COLD START - DOWN TO -40°F (-40°C) W/SUPPLEMENTAL HEAT
STARTER
24V(12V OPTION) ELECTROMECHANICAL SOLENOID
ALTERNATOR
BELT DRIVE 24V - 60Amp (12V AVAILABLE AS OPTION)
COOLING
LIQUID COOLED - MAXIMA COOLANOL 50/50 BLEND
OIL GRADE
PRESSURE LUBRICATED - PHILIPS 66 VICTORY DIESEL 10W40
FIRING ORDER
1-2-3-4

Patent iconPatents

DeltaHawk’s unique engine is a clean-sheet design and is protected by a number of Patents. These include:

Patent Number:

Country:

ZL200980101267.7
China (People's Republic)
3294628
European Patent Convention
RE40,500
United States of America
8,371,279
United States of America
10,711,681
United States of America
10,458,307
United States of America
ZL201680088118.1
China (People's Republic)
3475544
European Patent Convention
3294628
Germany
3294628
France
3294628
United Kingdom
3475544
Germany
3475544
France
3475544
United Kingdom
11,719,182
United States of America

Innovative Applications

General Aviation

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Defense

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

eVTOL

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Commercial Aviation

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Ready for an Engine Upgrade?

Be among the first to receive your DHK engine & installation package.

Reserve Your Engine

Schedule a Video Call

Our aviation experts are here to answer your questions. Let us know what type of question(s) you have below and we will to direct you to the most appropriate answer or get you started scheduling a video call.

John Smith

General Aviation Engineer (414) 555-5555 jsmith@deltahawk.com
clouds

Your Vote Matters.

As we look at developing installation packages for our DHK engine lineup, we'd really appreciate your input on which airframes you think could be a great fit.

Take the Survey