3rd Generation (2019 - Current)

3900 GMAX II Model # 17E826, 17E827, 17E827K, 17E828
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5900 GMAX II Model # 17E829, 17E831, 17E831K, 17E830, 17E832, 17E839, 17E833, 17E840
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7900 GMAX II Model 17E834, 17E841, 17E836, 17836K, 17E842, 17E837, 17E838
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2nd Generation (2014 - 2019)

3900 GMax II Model # 16W865, 16W866, 16W867
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5900 GMax II Model # 16W869, 16W870, 16W871
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7900 GMax II Model # 16W883, 16W884, 16W885
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1st Generation (2010 - 2014)

3900 GMax II Model # 248683, 248684, 248685, 248686, 258731, 258736
Manual
5900 GMax II Model # 248687, 248688, 248689, 248690, 258732, 258737
Manual
7900 GMax II Model # 248700, 248701, 248702, 248703, 258733, 258738
Manual