Type 1000 Series 4 cylinder Engines
AB - Turbocharged
AA - Naturally Aspirated
AK - Turbocharged
AM - Turbocharged and Intercooled
AR - Naturally Aspirated
Engine Build List Number AA50608 - AR50656, AR50654, AR50678 - 56kw (75bhp), AK50745 60kw (80bhp)
AA50606 - 56kw (75bhp)
AB50607 - 67.5 kw (90.5bhp), AK50628 - 68.5 kw (92bhp)
AB50609 - 71.5kw (96bhp), AK50640 - 74.6 kw (100bhp) AM50647 85.5 kw (115bhp)
Bore
AA, AB, AK, AM 100mm (3.937 in)
AR 103mm (4.055 in)
Stroke 127mm (5.000 in)
Swept Volume AB, AA, AK, AM 4 litres (243 in
3
)
AR 4.23 litres (258 in
3
)
Compression Ratio AB 16.0:1
AA 16.5:1
AK, AM 17.25:1
AR 18.5:1
Compression Pressure 28 bar (400 lbf/in
2
)
[maximum variation between cylinders 3.5 bar (50 lbf/in
2
)]
Injection Sequence 1,3,4,2
Valve Clearance - Cold - Inlet 0.20mm (0.008 in)
- Exhaust 0.45mm (0.018 in)
Oil Pressure (hot) at maximum speed - AA 2.1 bar (30 lbf/in
2
)
- AB, AK, AM 2.6 bar (40 lbf/in
2
)
- AR 2.0 bar (30 lbf/in
2
)
Maximum Air Cleaner Restriction 559mm (22 in H
2
O)
Injection System Details - Refer to appropriate Engine Service Manual.
Idling Speed - All builds 880 - 930 rev/min
Maximum Governed Speed - All builds 2200 rev/min
Maximum No-load Speed (High Idle) - All builds 2400 - 2440 rev/min
Cooling System
Coolant Pressure 0.48 bar (7 lbf/in
2
)
Coolant Temperature (Normal) 80-85 °C (176-185 °F)
Temperature Warning Light operates at: 98 °C (208 °F)
Note: For further details of the engines refer to the following Engine Service Manuals:
Publication No. 9806/0100 (AA, AB)
Publication No. 9806/2140 (AK, AM, AR)
2 - 1
Section K Engine
9803/3280
Section K
2 - 1
Issue 1
Technical Data
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