SPECIFICATIONS
7490 1-26-06-3
509 AND 511 POWER BACKHOES
BACKHOE SPECIFICATIONS TABLE 509 511
TRANSPORT
A Transport Height (with boom fully retracted) ........................................7'9" ..................... 8'10"
Transport Width (with stabilizers up) ....................................................5'0" ....................... 5'0"
B Ground Clearance .................................................................................11" ........................ 11"
C Overall Length ......................................................................................7'7" ....................... 7'9"
Boom Pivot Height .......................................................................................... 16" ........................ 16"
Operating Weight w/12" Bucket ................................................................. 1425# ....................1594#
OPERATIONAL
D Digging Depth Maximum .....................................................................9'8" ..................... 11'1"
E Digging Depth (2 Ft.) Flat Bottom ......................................................9'7" ..................... 11'0"
F Digging Depth (8 Ft.) Flat Bottom ......................................................8'3" ..................... 9'11"
G Overall Operating Height - Fully Raised ........................................12'10" ..................... 14'5"
H Loading Height ...................................................................................6'10" ....................... 8'0"
J Loading Reach .....................................................................................4'2" ....................... 5'0"
K Reach From Swing Post ....................................................................12'9" ..................... 14'5"
L Bucket Rotation ..................................................................................180° ...................... 180°
Swing Arc ............................................................................................180° ...................... 180°
M Straight Wall Digging Depth ...............................................................7'3" ....................... 8'2"
Stabilizer Spread Operating Position ..........................................................7'11" ..................... 7'11"
Stabilizer Down Below Grade ......................................................................... 16" ........................ 16"
System Relief Valve Setting................................................................... 2500 PSI ................ 2500PSI
Digging Force - Bucket Cylinder ................................................................ 5676# ....................5676#
Digging Force - Dipper Cylinder ................................................................ 2754# ....................3056#
BACKHOE DIMENSIONS
SPECIFICATIONS AND DESIGN
ARE SUBJECT TO CHANGE
WITHOUT NOTICE AND WITHOUT
LIABILITY THEREFORE.
WHENEVER APPLICABLE
SPECIFICATIONS ARE IN
ACCORDANCE WITH SAE STAN-
DARDS.
K
J
C
H
G
16"
16"
M
F
A
B
E
D
2'
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