OM-2245 / Operation and Maintenance Manual
ITW GSE 4400 / 400 Hz. Generator Set
March 15, 2015
Chapter 1-1
Page 1
Chapter 1
Description/Operation
1) General
The basic generator sets covered in this manual, manufactured by ITW GSE Group, are rated at 60-kVA
and 90-kVA and are designed to produce and deliver 115/200-volt, 400 Hz, 3-phase AC power to a
parked aircraft or other load. Some generator models with the Active Rectified Unit (ARU) also provide
28.5 volts DC for aircraft having those requirements. A comprehensive review of the 28VDC output Active
Rectifier Unit (ARU) is located in Appendix A.
Table 1-1-1 uses the model number to identify the variations covered in this manual.
Model Number
kVA
Mounting
Engine Certification
Outputs
28.5 DC Output
ACE4460STT3-US
60
Trailer
Tier 3 US Labeled
Single 400Hz
No
ACE4460STT3-EU
60
Trailer
Stage 3a EU Labeled
Single 400Hz
No
ACE4460S28TT3-US
60
Trailer
Tier 3 US Labeled
Single 400Hz
Yes
ACE4460S28TT3-EU
60
Trailer
Stage 3a EU Labeled
Single 400Hz
Yes
ACE4460DTT3-US
60
Trailer
Tier 3 US Labeled
Dual 400Hz
No
ACE4460DTT3-EU
60
Trailer
Stage 3a EU Labeled
Dual 400Hz
No
ACE4460D28TT3-US
60
Trailer
Tier 3 US Labeled
Dual 400Hz
Yes
ACE4460D28TT3-EU
60
Trailer
Stage 3a EU Labeled
Dual 400Hz
Yes
ACE4490STT3-US
90
Trailer
Tier 3 US Labeled
Single 400Hz
No
ACE4490STT3-EU
90
Trailer
Stage 3a EU Labeled
Single 400Hz
No
ACE4490S28TT3-US
90
Trailer
Tier 3 US Labeled
Single 400Hz
Yes
ACE4490S28TT3-EU
90
Trailer
Stage 3a EU Labeled
Single 400Hz
Yes
ACE4490DTT3-US
90
Trailer
Tier 3 US Labeled
Dual 400Hz
No
ACE4490DTT3-EU
90
Trailer
Stage 3a EU Labeled
Dual 400Hz
No
ACE4490D28TT3-US
90
Trailer
Tier 3 US Labeled
Dual 400Hz
Yes
ACE4490D28TT3-EU
90
Trailer
Stage 3a EU Labeled
Dual 400Hz
Yes
Table 1-1-1: ITW GSE 4400 Series Generator Set Part Number Descriptions
2) Optional Equipment - Appendix B
Chapters 1 through 5 of this Operation and Maintenance Manual identify only the basic version of the ITW
GSE 4400 generator set. A list of optional equipment appears in Appendix B.
Section 1
Description