Meanings XX - heights: (28, 33, 40, 42, 45, 50, 54, 60) Y- impluls control: 2 - "Kurtis" Z - battery: 2 - 48 V/400 Ah 3 - 48V/440 Ah 4 - 48V/600 Ah 5 - 48V/560 Ah 6 - 80V/400 Ah 7 - 80V/440 Ah 8 - 80V/560 Ah K - Drive axle: 2 - 6217 (1,25 ÷ 1,6t) 3 - 6212 (2 ÷ 2,5t) 4 - GP21 "ZF" (2 ÷ 2,5t) L - Lifting masts: S - simplex D - duplex Т - triplex

Type	Capacity [kg]
ER 630.XX.YZK L	1250
ER 634.XX.YZK  L	1600
ER 638.XX.YZK  L	2000
ER 640.XX.YZK  L	2500