Specifications - Onan MDJF Series Operator's Manual And Parts Catalog

SPECIFICATIONS
Nominal dimensions of generating set (inches):
Height 26 11/16
Width 20 5/16
Length '. 513/8 :'
Weight (approx. lb.) '. : .'. .". . . . . 865
Number cylinder (vertical in-line) 4
Displacement (cubic inch) 140
Cylinder bore < , 3 1 / 2
Piston stroke 3 5/8
BHP at 1800 rpm : 33.3
RPM (for 60 hertz) 1800
RPM (for 50 hertz) 1500
Compression ratio 19:1
Battery voltage (AC set, except dual purpose)* 12
Batery size (AC set, except dual purpose)
SAE group IH-two in series • Yes
Amp - hr, SAE 20 - hr (nominal) 120
Battery charge rate amperes (normal) - AC sets 2 to 5
*Oil capacity in U.S. quarts - Refill : .• 6
Cooling water flow (gallons per minute) . ' 6
Generator cooling air (CFM at 1800 rpm) 136
Combustion air (CFM at 1800 rpm) : ^ '2
Total cu. f t . per min. of air required 208
Diesel fuel l i f t (maximum feet) .' 6 •"
Maximum recommended power take-off from front pulley at any load 2 hp
Power take-off limit at rated load '. 1 hp .
Injection pump (Am. Bosch type) PSU
Output is rated at unity power factor load 1-phase
Output is rated at 0.8 power factor 3-phase
Rating (output in watts)
AC, 50hertz set . , 12,000
AC, 60hertz set , 15,M0
AC voltage regulation in t %
:
; 3
AC frequency regulation in % .• 5
Revolving field type generator , Yes
120/240- volt single phase model reconnectible Yes
Static type exciter (Magneciter) : Yes
* - Plus 1/2 quart for new filter.
• . 24 and 32volt batteries on certain modifications.
NOTE: Hertz is a unit of frequency equal to one cycle per second.