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L1276A2 Specifi cations and Installation Data
Output rating
FWHP (kW)
Maximum RPM
Cylinders / Confi guration / Cycle
Displacement CID (ltr)
Aspiration
Bore x Stroke in (mm)
Cooling
(General)
Coolant circ pump fl ow - US gal (ltr)
Heat rejection to jacket water - BTU-min
Cooling
(Heat Exchanger)
HE engine coolant capacity - US gal (ltr)
Rawwater intake/discharge dia. - in (mm)
Rawwater pump fl ow - gpm (lpm)/rpm
Rawwater pump max. suction head - in (m)
Max. raw water temp. at inlet -°F (°C)
Cooling
(Keel Cooled)
Based on 70° F seawater and minimum full boat speed of 8 knots.
Return water from keelcooler
KC engine coolant capacity - US gal (ltr)
Water hose inside diameter - in (mm)
Head diameter - in
Turbo tube length - ft (m)
1 in. plain round tube length - ft (m)
Skin cooler aluminum - sq ft (m
2
)
Skin cooler steel - sq ft (m
2
)
Electrical
Voltage
Min. battery capacity - 24 volt
Battery cable size up to 10 ft run
Standard panel harness length - ft (m)
Air and Exhaust
Engine air consumption - cfm (m
/min)
3
Min. engine room vent area - sq in (m
Exhaust gas fl ow at - cfm (m
3
/min)
Exhaust gas temperature -°F (°C)
Max. exhaust back pressure - in (mm) H
Suggested dry exhaust I.D. - in (mm)
Suggested wet exhaust I.D. - in (mm)
Fuel and Oil
Minimum fuel suction line - in (mm)
Minimum fuel return line - in (mm)
Maximum fuel pump head - in (m)
Crankcase oil capacity - US qts (ltr)
Other Data
Engine rotation (facing fl ywheel)
Flywheel housing size
Optional front PTO size
Max operating down angle - front/rear
Approximate Weight*
Dry weight with HE, no gear - lbs (kg)
Dry weight, KC, no gear - lbs (kg)
*Do NOT use for installation. Contact factory for current installation drawings.
Dealer
Performance Data and Specifications
CONTINUOUS
MEDIUM
340 (252)
425 (315)
1800
2100
6 / Inline / 4
6 / Inline / 4
763 (12.5)
766 (12.5)
All Models: Turbocharged Aftercooled
All Models: 5 x 6.5 (127 x 165)
73 (232)
85 (277)
6,690
8,363
14.25 (54)
14.25 (54)
3 (75)
3 (75)
92 (348)
99 (374)
39 (1)
39 (1)
86° (30°)
86° (30°)
70°-130° F.
70°-130° F.
11.75 (44)
11.75 (44)
3 (75)
3 (75)
All Models: 2" NPT or 3" hose barb
48 (14.6)
64 (19.5)
112 (34.1)
140 (42.7)
51 (4.7)
64 (5.9)
170 (15.8)
212 (19.7)
All Models: 24V standard (12V optional)
All Models: 2 x 225 amp hours - 1150 CCA
"00"
"00"
All Models: 20 ft (6m) std, 40 & 60 ft optional
816 (23.1)
1029 (29.1)
)
240 (0.16)
301 (0.19)
2
1819 (52)
2243 (63.5)
738 (392)
725 (385)
0
30 (762)
30 (762)
2
5(125)
6(150)
8(203)
8(203)
0.5 (12)
0.5 (12)
0.375 (10)
0.375 (10)
39 (1)
39 (1)
44 (42)
44 (42)
All Models: Counter-Clockwise
All Models: Std. SAE 1, 14" Std. (SAE 2, 11.5" opt)
All Models: SAE 4, 10" or SAE 3, 11.5"
0°/12°
0°/12°
3210 (1456)
3210 (1456)
3093 (1403)
3093 (1403)
Dimensions
inch (mm)
A length
69.94 (1776)
B width
46.02 (1169)
C height
41.31 (1049)
D mounts
34.55 (878)
E mounts
Tel: (206) 789-3880 • 1-800-762-0165 • Fax: (206) 782-5455
Information and dimensions subject to change without notice.
Northern Lights and Lugger are registered trademarks
HIGH OUTPUT
High Output Rating
525 (389)
Medium Duty Rating
2100
Continuous Duty Rating
6 / Inline / 4
766 (12.5)
85 (277)
10,331
14.25 (54)
3 (75)
99 (374)
39 (1)
86° (30°)
70°-130° F.
11.75 (44)
3 (75)
80 (24.4)
174 (53)
80 (7.4)
263 (24.4)
"00"
1264 (35.8)
370 (0.24)
2815 (79.7)
736 (391)
30 (762)
6(150)
8(203)
0.5 (12)
0.375 (10)
39 (1)
44 (42)
0°/12°
RATING
CONTINUOUS
Curve
A
B
3210 (1456)
RPM
ft/lbs fwhp pdhp gph
3093 (1403)
1000
--
--
1200
1120 256
1400
1114
297
1600
1116
340
1800
992
340
2000
--
--
2100
--
--
Notes: 1. Max. cruise rpm for High Output and Medium Duty ratings is1900 or 200 rpm below highest attainable rpm-
whichever is lower.
26.0 (660)
Curves: A. Maximum torque at flywheel. B. Flywheel power. Prop shaft power is 3-3.5% lower due to marine reduction
gear power loss. C. Theoretical prop power draw (3.0 exponent).
D. Fuel consumption based on theoretical propellar HP draw.Your fuel consumption will vary higher or lower depending
on your vessel and operating conditions.
4420 14th Ave. NW., Seattle WA 98107
of Northern Lights, Inc.
© 2005 All rights reserved. Litho USA. L654 3/08
L1276A2
L1276A2 Performance Data
1
FWHP / kW / @ rpm
1
FWHP / kW / @ rpm
FWHP / kW / @ rpm
MEDIUM DUTY
1
C
D
A
B
C
D
ft/lbs fwhp pdhp gph
--
--
1439 274
44.4
2.2
97.5
4.9
1440 329
76
3.8
154
7.5
1441 384
122
6.1
231
11.4
1517 432
181
9.2
328
16.3
1351 463
259
12.6
--
--
1211 461
354
17.3
--
--
1062 425
410
23.4
www.northern-lights.com
525 / 389 / 2100
425 / 315 / 2100
340 / 252 / 1800
HIGH OUTPUT
1
A
B
C
D
ft/lbs fwhp pdhp gph
1291 246
55
2.8
1609 368
95
4.6
1775 473
151
7.3
1775 541
224
11.4
1628 558
318
16.1
1435 546
438
22.0
1315 525
507
25.5
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