Iveco N60 ENT M37, Technical And Repair Manual, Page: 55 / 194

Brake horsepower values in accordance with ISO 3046-1, attainable after about 50 hours of operation under reference envi-
ronmental conditions characterized by 750 mmHg, 25°C, 30% relative humidity.Values fall within a tolerance of 5%.
Pleasure Service (A)
Type of boat
Pleasure and military boats with planing hull for high speed or semi-planing and displacing leisure hulls that use maximum power
for short periods alternating with prolonged periods at lower than maximum speed.
Engine utilization
Use of maximum power limited to 10% of the time. Cruising speed at engine rpm < 90% of nominal calibration rpm. Operat-
ing limit: 300 hours/year. Definition of calibrations and operating limits for military and government agencies according to con-
tractual specifications.
Nominal maximum power: kW (HP) @ rpm 272 (370) @ 2800
Nominal maximum torque Nm (kgm) @ rpm 1070 (112) @ 1800
Light Service (B)
Type of boat
Light boats for tourism, professional, or military use, with frequent speed changes. E.g.: leisure boats, chartering, light passenger
boats, high speed patrol boats for police, emergency, rescue, and special operations uses.
Engine utilization
Use of maximum power limited to 10% of the time. Cruising speed at engine rpm < 90% of nominal calibration rpm. Operat-
ing limit: 1,000 hours/year. Definition of calibrations and operating limits for military and government agencies according to con-
tractual specifications.
Nominal maximum power: kW (HP) @ rpm 242 (330) @ 1900
Nominal maximum torque Nm (kgm) @ rpm 1001 (102) @ 1900
Intermediate Service (C)
Type of boat
Light boats for commercial, military, work and light fishing uses with variable speed. E.g.: patrol boats, pilot boats, light fishing ves-
sels, water taxies, medium range seasonal passenger transport, fire-fighting.
Engine utilization
Use of maximum power limited to 25% of the time. Cruising speed at engine rpm < 90% of nominal calibration rpm. Operat-
ing limit: 1,000 - 3,000 hours/year. Definition of calibrations and operating limits for military and government agencies according
to contractual specifications.
Nominal maximum power: kW (HP) @ rpm 198 (270) @ 1900
Nominal maximum torque Nm (kgm) @ rpm 834 (85) @ 1900
Fuel Economy - Pleasure Use (A)
Specific fuel consumption at maximum power g/kWh (g/HPh) @ rpm
≤
224 (164) @ 2800
Specific fuel consumption at maximum torque g/kWh (g/HPh) @ rpm
≤
207 (152) @ 1800
Lubricating oil consumption at maximum power g/h @ rpm
≤
485 @ 2800
N60 ENT M37 TECHNICAL DATA
2.55
APRIL 2004
PERFORMANCE