Installation Manual
UL
POWER
UL390i UL390i
S
390i
SA
MI 390A01 Revision No: 3
Date:
2014-09-15
Page:
9
of
69
Engine description
General Description
4 stroke, 6 cylinder, horizontally opposed
Electronic spark ignition (variable timing)
Electronic multipoint fuel injection (pressure and temperature compensated)
Electronic RPM limiter
Direct propeller drive
7 bearing crankshaft with large thrust bearing (ball bearing type)
Single central camshaft
Push rods, Tappets and Over head valves
Wet sump forced lubrication with integrated pressure regulator
Ram air cooled cylinders and cylinder heads
Integrated AC generator, external rectifier-regulator
Electric starter
Electric fuel pump and pressure regulator
Specifications
UL390i
UL390i
S
UL390i
SA
Displacement:
3888cc
Bore:
105.6 mm
Stroke:
74 mm
Compression Ratio:
8,16 : 1
9,1:1
Firing order:
1 – 4 – 5 – 2 – 3 – 6
Direction of Rotation:
Clockwise – Pilot's view – Tractor configuration
Torque (ISA conditions):
320Nm @ 2800rpm
370Nm @ 2800 rpm
Power rating (ISA conditions):
140 hp @ 3300 rpm
(130 hp @ 2800 rpm)
160hp @ 3300 rpm
(145Hp @ 2800 rpm)
160hp @ 3200 rpm
(145 hp @ 2800 rpm)
Basic standard engine weight:
100kg (including starter motor and alternator)
100 kg
DC output:
50 Amp
Oil capacity:
4 L
Fuel (unleaded):
MOGAS with min. 95
octane rating or
AVGAS ( 95 octa = 87
mon = 97 AKI )
MOGAS with
min. 98 octane rating or AVGAS
( 98 Oct = 90MON = 94AKI )
