OUR PRODUCTS
Skip Navigation Links.
QUICK SEARCH
4DW Engine
4DW Engine 
4DW Engine
4DW Engine
Engine model 4DW81-23D 4DW91-29D 4DW92-35D 4DW93-42D
Type in line 4-cylinder 4-stroke
Air intake type Natural Natural Turbocharged Turbo&intercool
Cooling mode Water cooling
Governor mode Mechanical or electronic
Bore x Stroke (mm) 85x100 90x100
Compression ratio 17.1
Rated speed (rpm) 1500
Displacement (L) 2.27 2.54
Prime power(without fan) (kW) 17 21 26 31
Standby power(without fan) (kW) 19 23 29 34
Fuel consumption (g/kWh) 240 240 230 216
Oil consumption (L/h) 0.05 0.05 0.04 0.04
Steady state speed regulation (%) ≤5 ≤5 ≤5 ≤5
Oil capacity including filter (L) 7.8 8 8 8
Emission Stage ||
The flywheel shell interface SAE4
Flywheel for 7.5"& 10" flexible coupling
Dry weight of base (kg) 220 220 240 240
Dry weight of Gen Pac (kg) 240 240 260 280
Overall dimension(base) (mm) 750x555x680 750x555x680 750x600x735
Overall dimension(G.P) (mm) 920x610x760 1120x810x760
Fan consumption (kW) 1.2 1.6 1.8 2
27°C air consumption (m³/min) 1.4 1.7 2.1 2.4
Heat rejection of exhaust (kW) 17.2 17.4 20.6 23.1
Exhaust gas temperature after turbine (°C) 550 450 450 450
Exhaust gas flow (m³/min) 4.2 4.6 5.9 6.7
Heat rejection from engine (kW) 1.1 1.3 1.6 1.9
Heat rejection of coolant (kW) 11 13.7 16.9 17.1
Base configuration Standard configuration (add on the base)
Engine with fan Intake and exhaust system: Air filter and connecting pipes;
Alternator 500W 14V Connecting flang of exhaust pipe
 Starter motor 3.5kW 12V Cooling system: Radiator with connecting pipes;
Fan guard; Belt guard

 

Product Enquiry
 
   
 
 
Security Code:
Type the characters you see in the picture below.
 *  
Fields marked with * are compulsory.
CONTACT US
Head Office
Johannesburg

Tel: +27 (0)11 870 5000
Fax: +27 (0)11 836 0474
Tel: 0861 EHD COM
Tel: 0861 343 266
ehd@ehd.co.za

EHD House
Cnr Hubert & Marshall Street
Marshalltown
Johannesburg 2001

P.O. Box 6541
Johannesburg 2000
Bloemfontein

Tel: +27 (0)51 430 5404
Fax: +27 (0)51 430 5402
ehdbloem@ehd.co.za

17 Krause Street, Oranjesig
Bloemfontein
9301

P.O. Box 12471
Brandhof
9324
Cape Town

Tel: +27 (0)21 510 0567
Fax: +27 (0)21 510 0570
ehdcapetown@ehd.co.za

Unit 6, No1 Koeberg Road
Brooklyn, 7405

P.O.Box 1037
Milnerton
7435
Durban

Tel: +27 (0)31 700 1160
Fax: +27 (0) 31 700 1169
ehd.dbn@ehd.co.za

Unit 3, Hillmax
31 Hillclimb Road
Westmead
3610

P.O. Box 1054
Nagina
3604
Disclaimer
Manufacturer's names, numbers, symbols, photos and descriptions are used for reference purposes only and it is not implied that the parts referred to are the products of those manufacturers