2.2 Alpha 607 & 608 Models
1. Alpha 607A -- (7) single speed pushbuttons
2. Alpha 607B -- (6) double speed pushbuttons + (1) single speed pushbuttons
3. Alpha 607AT -- (6) single speed pushbuttons + (1) SELECT I/II pushbutton
4. Alpha 607BT -- (6) double speed pushbuttons + (1) SELECT I/II pushbutton
5. Alpha 608A -- (8) single speed pushbuttons
6. Alpha 608B -- (6) double speed pushbuttons + (2) single speed pushbuttons
7. Alpha 608AT -- (7) single speed pushbuttons + (1) SELECT I/II pushbutton
8. Alpha 608BT -- (6) double speed pushbuttons + (1) single speed pushbuttons+ (1) SELECT I/II pushbutton
(Alpha 607A) (Alpha 607B) (Alpha 607AT) (Alpha 607BT) (Alpha 608A) (Alpha 608B) (Alpha 608AT) (Alpha 608BT)
2.3 Alpha 612 Models
1. Alpha 612A → (12) one-speed pushbuttons
2. Alpha 612B → (11) one-speed pushbuttons + I/II select pushbutton*
3. Alpha 612C-1 → (6) two- speed + (6) one-speed pushbuttons
4. Alpha 612C-2 → (8) two-speed + (4) one-speed pushbuttons
5. Alpha 612D → (10) two-speed + (2) one-speed pushbuttons
6. Alpha 612E-1 → (6) two-speed + (5) one-speed pushbuttons + I/II select pushbutton*
7. Alpha 612E-2 → (8) two-speed + (3) one-speed pushbuttons + I/II select pushbutton*
* For cranes with auxiliary hoist and trolley (changeover function).