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ZT-T730 Four Cylinder Horizontally Opposed UAV Engine

• 63.5hp (47.3kW) four-cylinder, horizontally opposed, air-cooled, two-stroke engine with 730cc displacement and 66mm×54mm bore and stroke
• Delivers 75kg static thrust at 100m altitude and 70kg at 1800m altitude — supports UAVs up to 270kg MTOW
• Solid-state magneto ignition with CDI automatic angle ignition; opposed two-cylinder synchronous firing with auto-switching at 500rpm
• Forged seven-piece crankshaft; oval-ground aluminium alloy pistons; cast aluminium alloy cylinders with ceramic nickel-silicon hardened inner-wall coating
• Two diaphragm-type all-around carburetors (without choke/injector nozzles); mixture lubrication at 30:1; speed range 2000–7500rpm
• Available in carburetor (17L/h) or EFI (12L/h); recommended propellers 32×20, 30×23, 30×25; generator 800W or 2000W; starter optional
• Weighs 18.5kg with dimensions of 420×410×370mm; options include exhaust pipe, starter, generator

  • Trusted dealerDirect manufacturer partnership
  • Pan-India deliveryInsured shipping, all states
  • Post-sale supportTraining + service included
Overview

What makes it work

ZT-T730 Four Cylinder UAV Engine | 63.5hp/47.3kW | Solid-State Magneto Ignition
Engine

ZT-T730 Four Cylinder Horizontally Opposed Engine

Four Cylinders · Horizontally Opposed · Air-Cooled · Two-Stroke · Solid-State Magneto Ignition · Mixture Lubrication · Push and Pull Devices

63.5hp / 47.3kW730cc Displacement75kg Thrust @ 100m270kg MTOWHorizontally OpposedForged 7-Piece CrankshaftCeramic Nickel-Silicon Cylinder18.5kg

ZT-T730 Technical Specifications

SpecificationDetails
Engine Configuration
Cylinder ConfigurationFour cylinders
Layout FormHorizontally opposed, 4 cylinders
CoolingAir-cooled
Engine CycleTwo-stroke
Ignition SystemSolid-state magneto ignition / CDI automatic angle ignition
LubricationMixture lubrication — 30:1 ratio
MountingPush and pull devices
Performance
Power63.5hp / 47.3kW
Static Thrust (100m altitude)75kg
Static Thrust (1800m altitude)70kg
Max Take-off Weight270kg
Speed Range2000–7500 rpm
Engine Dimensions
Bore × Stroke66mm × 54mm
Displacement730cc
CrankshaftForging, seven-piece set
PistonOval grinding, aluminium alloy casting
CylinderCast aluminium alloy, ceramic nickel-silicon hardened inner-wall coating
Firing & Fuel
Firing OrderOpposed two-cylinder synchronous ignition, automatic switching at 500 rpm
Carburetor/EFITwo diaphragm-type all-around carburetors, without choke/injector nozzles
Recommended Propeller32×20; 30×23; 30×25
Fuel Consumption (Carburetor)17L/h
Fuel Consumption (EFI)12L/h
Electrical
Generator800W / 2000W
StarterOptional
Physical
Weight18.5kg
Dimensions (L×W×H)420×410×370mm
OptionsExhaust pipe, Starter, Generator

ZT-T730 Four Cylinder Horizontally Opposed Engine

ZT-T730 Four Cylinder Horizontally Opposed Engine — Front View

The ZT-T730 is a four-cylinder, horizontally opposed, air-cooled, two-stroke UAV engine producing 63.5hp (47.3kW) with 730cc displacement. It delivers 75kg static thrust at 100m and 70kg at 1800m, supporting UAVs with a maximum take-off weight of 270kg. The engine features a forged seven-piece crankshaft, oval-ground aluminium alloy pistons, cast aluminium alloy cylinders with ceramic nickel-silicon hardened inner-wall coating, two diaphragm-type all-around carburetors, and CDI automatic angle ignition with solid-state magneto.

63.5hp / 47.3kW PowerLargest in the ZT UAV engine range
75kg Static ThrustAt 100m altitude — 270kg MTOW
730cc Displacement66mm bore × 54mm stroke
Forged 7-Piece CrankshaftHigh-strength forged construction
Ceramic Nickel-Silicon CylinderHardened inner-wall coating
Carb: 17L/h | EFI: 12L/hTwo diaphragm-type carburetors

ZT-T730 — Features & Engineering

Horizontally Opposed Four-Cylinder — Maximum Displacement
Engine Design

Horizontally Opposed Four-Cylinder — Maximum Displacement

The ZT-T730 uses a horizontally opposed four-cylinder layout with a bore of 66mm and stroke of 54mm, yielding 730cc displacement. The engine delivers 63.5hp (47.3kW) across a speed range of 2000–7500 rpm.

The crankshaft is a forged seven-piece assembly. Pistons are oval-ground aluminium alloy. Cylinders are cast aluminium alloy with ceramic nickel-silicon hardened inner-wall coating for extended service life. Lubrication ratio: 30:1.

Solid-State Magneto with CDI Automatic Angle Ignition
Ignition & Fuel

Solid-State Magneto with CDI Automatic Angle Ignition

Solid-state magneto ignition with CDI automatic angle adjustment. Firing order: opposed two-cylinder synchronous ignition with automatic switching at 500 rpm.

Two diaphragm-type all-around carburetors (without choke or injector nozzles): 17L/h. EFI: 12L/h. Generator: 800W or 2000W. Options: exhaust pipe, starter, generator. Recommended propellers: 32×20, 30×23, 30×25.

ZT-T730 — Key Specifications

Power
63.5hp / 47.3kW
Displacement
730cc
Static Thrust (100m)
75kg
Static Thrust (1800m)
70kg
Max Take-off Weight
270kg
Speed Range
2000–7500 rpm
Bore × Stroke
66mm × 54mm
Lubrication Ratio
30:1
Generator
800W / 2000W
Crankshaft
Forged 7-piece set
Weight
18.5kg
Dimensions
420×410×370mm

ZT-T730 — Common Questions

What is the maximum power output of the ZT-T730?
The ZT-T730 produces 63.5hp (47.3kW), making it the highest-output engine in the ZT UAV engine series with 730cc displacement.
What maximum take-off weight does the ZT-T730 support?
The ZT-T730 supports UAVs with a maximum take-off weight of up to 270kg, suitable for large cargo drones, heavy agricultural platforms, and long-endurance fixed-wing UAVs.
What cylinder technology does the ZT-T730 use?
The cylinders are cast aluminium alloy with a ceramic nickel-silicon hardened coating on the inner wall. Pistons are oval-ground aluminium alloy castings for precise bore fit and low friction.
What is the crankshaft specification?
The ZT-T730 uses a forged seven-piece crankshaft assembly, the same proven design used in the ZT-T550.
What optional accessories are available?
Available options include an exhaust pipe, starter motor, and generator in 800W or 2000W output.
Specifications

The full sheet

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