I receive from a dealer in Prague:
thank you for your message again, Ill try to explain more, standart
hydraulic circuit /pipes diameters/ in your type 10011
is prepared for standart hydraulic pump 88420901 with flow rate approx 42 l/min, strengthened hydraulic system has
different pum p as 89420901 with flow rate 55 l/min, some customers use this strengthened pump in standart hydraulic
system BUT they have to count with overheating of system because of different diameters of pipes and connecting,
Please check also picture including all items in groupe 407 from catalogue, specialy item no.31, 32, 33 , these items are necessary to pump 88420901 . maybe you have old pump and these items are missing, please check it,
88420901 - 68,50 eur / we have more than 250 pcs on our store/
89420901 - 73,50 eur