
Cummins
®
, Onan
®
, the "C" logo, Performance you rely on.™ and Quiet Diesel
TM
are servicemarks, trademarks and/or registered trademarks of Cummins Inc. / Specifications subject to change
without notice / ©2007 Cummins Power Generation. All Rights Reserved.
A-1471b (01/07)
Marine generator set
Quiet Diesel
TM
Series
65 QD 50 Hz
Model MDDCH
Features and benefits
• Rugged dependability, high quality and innovation
make Cummins Onan Marine Generators the leader in
marine generator design and development, providing
performance you rely on.™
• The digital QD (Quiet Diesel) Series models are the
first marine generator sets with self-monitoring
capability and network communication.
• The standard Cummins Onan Digital Display provides
user-friendly diagnostics including extensive engine
and alternator information, self-diagnostic features
and text display.
• The Cummins Onan Marine Generators with advanced
design and development processes use technology to
lower sound and vibration. Our sound shields minimize
noise and deliver better sound quality. The optimized
mounting system greatly reduces vibration.
• Certified to U.S. Environmental Protection Agency (EPA)
emission standards.
• Cummins Onan Marine Generators have the largest
worldwide certified distributor/dealer support network in
the industry with more than 70 years of experience.
Models and ratings
Model kW*/kVA Voltage Amps Phase Hz Engine RPM
65MDDCH
65.0/65.0 110/220 590.9/295.5 1 50 1500
115/230 565.2/282.6
120/240 541.7/270.8
65MDDCH
65.0/81.25 110/190 246.9 3 50 1500
115/200 234.5
120/208 225.5
110/220 213.2
115/230 204.0
120/240 195.5
220/380 123.4
230/400 117.3
240/416 112.8
255/440 106.6
Three phase output at 0.8 power factor. Rating conditions are 100 kPa (29.6 in Hg) barometric pressure, 30% relative humidity and 25
°
C (77
°
F)
(ref. ISO 3046). *Unlimited running time at rated power, additional 10% reserve power available.
Sound level, weight, and size
Sound level Dimensions
50 Hz configuration Weight (dry) Length Width Height
With sound shield
70 dB(A)* 1434 kg (3161 lb) 2146 mm (84.5 in) 840 mm (33.1 in) 1039 mm (40.9 in)
Without sound shield
1320 kg (2910 lb) 2142 mm (84.3 in) 822 mm (32.4 in) 994 mm (39.1 in)
* Full load at 1 m, with optional Cummins Onan sound shield
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