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SPECIFICATIONS
KOYKER 545 LOADER SPECIFICATIONS
Description of Equipment Rated
Loader Model ..................................................................................................................... 545
Attachment Adapter & Bucket Size .....................................................................................6'
Rated Flow ......................................................................................................................20 GPM
Maximum Pressure ........................................................................................................ 2500 PSI
Lift Cylinder Dia. ............................................................................................................ 3" Bore
Attachment Cylinder Dia. ............................................................................................... 3" Bore
Tractor Horsepower Range ...........................................................................................80-135 HP
Dimensional Specifications
(A) *Maximum Lift Height to Pivot Pin ......................................................................... 12' 11"
(B) *Lift Height under Level Bucket ............................................................................... 12' 1"
(C) *Clearance with Bucket Fully Dumped ..................................................................... 10' 1"
(D) *Reach at Maximum Lift Height ................................................................................ 3' 3"
(E) Maximum Dump Angle ................................................................................................45°
(F) *Reach with Bucket on Ground .................................................................................. 7' 9"
(G) Maximum Rollback Angle ...........................................................................................26°
(H) *Digging Depth .............................................................................................................6"
(J) *Overall Height in Carry Position ............................................................................... 6' 8"
Operational Specifications
(U) *Lift Capacity to Maximum Height at Pivot Pin .................................................... 4200 lbs.
(V) *Lift Capacity to Maximum Height 31.5" Forward of Pivot Pin ............................ 2930 lbs.
(Y) *Breakout Force at Ground Line at Pivot Pin ......................................................... 6270 lbs.
(Z) *Breakout Force at Ground Line 31.5" Forward of Pivot Pin ................................. 4660 lbs.
*Raising Time ................................................................................................................5 seconds
*Lower Time ..................................................................................................................3 seconds
*Attachment Dumping Time .........................................................................................5 seconds
*Attachment Rollback Time ..........................................................................................3 seconds
*Specifications based on ASAE standards S301.3 (Front-End Agricultural Loader Ratings) The above
information is based on testing done by Koyker Mfg. Variations in maximum lift height and other specs for
different tractors are due to tire sizes, variations in loader mounting locations and hydraulic system
efficiency.
Specifications are subject to change without notice and without liability therefore.
Page 12
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