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Detroit Diesel Engines power unit
models
| 12V-71
| 475 hp*
Typical Radiator-Cooled
12V-71 Power Unit
specifications
Basic Engine Bvt V7
Model 7124-7000, 7124-7002
Engine Type Two Cycle Two Cycle
Number of Cylinders | 12 12
Bore and Stroke 4.25 in, x5 in. 4.25in.x5in.
| (108 mm x 127 mm) (408 mim x 127 mm)
Two Cycle Displacement 852 cu. in. 852 cu. In.
(Every Downstroke a Powerstroke) (18.97 itres) (18.97 litres)
Rated Power:
“80°F and Sea Level (approx.) | *475 BHP @ 2100 RPM “475 BHP @ 2100 RPM
85°F and 500 ft. (SAE) | 453BHP @ 2100 RPM 455 BHP @ 2100 RPM
28.4°C and 152.4 m (SAE) 340 kW @ 2100 RPM 340 kW @ 2100 RPM
Continuous Power: |
85°F and S00 tt. (SAE) | 350 BHP @ 1800RPM 350 BHP @ 1600 RPM
29.4°C and 152.4 m (SAE) 261 KW @ 1800 RPM 261 kW @ 1800 RPM
Torque:
SF and 5004 (SAF) 1200 Ib. ft. @ 1600 RPM 1200 Ib. f. @ 1600 RPM
29.4°C and 152.4 m (SAE) 1627 Nem@ 1800 RPM 1627 N?m @ 1600 RPM
Compression Ratio 18.7 to1 18.7 tot
Approximate Dimensions:
Length 99 in, (2862 mm) 87 In. (2210 mm)
Wiath 48 in. (1219 mm) 47 in, (1494 mm)
Height 64 in, (1626 mm) 60 in, (1524 mm)
Net Weight (Mass) (dry) 4700 ibs. (2132 kg) 4200 lbs. (1805 kg)
tb ‘ven accoscories,Rating Explanation
RATED BHP is the powot rating for
variable speed and load applications
whare full power is required inter
mittently. Performance may be de-
rated to improve fuel economy and
extend engine life. |
CONTINUOUS BHP is the power
rating for applications operating un-
der a constant load and|speed for
Jong periods of time.
FUEL CONSUMPTION CURVE
shows fuel used in pounds per
brake horsepower hour. |
THESE RATINGS do not include
power requirements for |accessory
and standard equipment!
performance
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standard equipment
Air Cleaners—Heavy-duty oil bath
Air Inlet Housing—Manual shutdown with 80”
control cable
Crankshaft Pulley—5 groove
Enaine Base—For standard model power take-
off, Model 7124-7000 only
Exhaust Manifold—Vertical end outlet, Model
7124-7000; Water-cooled, end gutlet
Model 7124-7002
Fan—d0", @-blade, suction, Model Tea: 7000
only
Flywhoot SAE #¥%
Flywheel Housing~SAE #¥%
Generator—24 volt, 20 amp
Governar—Limiting speed with throttle
controls.
Heat Exchanger—Model 7124-7002 only
Injectors—Cam operated, unit type, Clean Tip
Instrument Panel—Includes tachometer,
ammeter, water temperature and
Pressure aces, starter button
Lube Oil Filter—Full-fow filter, dual can
il Pan and Distribution System—Cast iron for
0 degree inclination, Model 7124-7000
Power Take-Off—Short shaft, double plate,
ain,
Nediator—Mounted, with water connections,
and fan guards, Model 7124-7000 only
Starting Equipment—24 volt starting motor,
with sprag over-running clutch
Vibration Damper—Single, heavy, viscous
For a complete listing of standard and optional equipment,
conault your auth
Specifications subject to change without nates. |
< .\ Detroit Diesel Allison
\ Division of General Motors Corporation
13400 West Outer Drive Detroit, Michigan 48228.
ized Detroit Diesel Allison representative,