John Deere 655C-ll - Manual (Page 13)

13
Undercarriage 655C-II 755C-II
John Deere Dura-Trax™ features large deep-heat-treated components; pins and bushings are sealed for life; rollers and idlers are permanently sealed and lubricated; full-
length track frame covers reduce material buildup and ease cleaning
Sprocket....................................................................segmented segmented
Chain.........................................................................sealed and lubricated sealed and lubricated
Track shoes, each side..............................................42 39
Ground contact area
20-in. (508 mm) grouser width (closed
center, double bar)........................................3,902 sq. in. (25 180 cm 2 ) 4,210 sq. in. (27 160 cm 2 )
22-in. (560 mm) grouser width (closed
center, double bar)........................................4,302 sq. in. (27 750 cm 2 ) 4,640 sq. in. (29 940 cm 2 )
Ground clearance, minimum with double-bar
grouser (excluding grouser height) ......................16 in. (395 mm) 17 in. (426 mm)
Length of track on ground .........................................98 in. (2478 mm) 105 in. (2673 mm)
Track gauge, standard ..............................................66 in. (1680 mm) 71 in. (1800 mm)
Oscillation at front idler .............................................4.5 in. (114 mm) 5 in. (127 mm)
Track rollers, each side .............................................6 6
Carrier rollers, each side ...........................................1 1
Track pitch ................................................................6.9 in. (175 mm) 8 in. (203 mm)
Ground Pressures
With standard equipment, cab, bucket, full fuel
tank, and 175-lb. (79 kg) operator
Standard bucket with bolt-on teeth
With 20-in. (508 mm) double-grouser
shoes......................................................8.7 psi (60 kPa) 11.0 psi (76 kPa)
With 22-in. (560 mm) double-grouser
shoes......................................................7.9 psi (54 kPa) 10.0 psi (69 kPa)
Multipurpose bucket with bolt-on teeth
With 20-in. (508 mm) double-grouser
shoes......................................................9.0 psi (62 kPa) 11.3 psi (78 kPa)
With 22-in. (560 mm) double-grouser
shoes......................................................8.2 psi (57 kPa) 10.3 psi (71 kPa)
SAE Operating Weights
With standard equipment, cab, standard bucket,
full fuel tank, 175-lb. (79 kg) operator, and
20-in. (508 mm) double-grouser shoes ...............33,950 lb. (15 400 kg)
46,300 lb. (21 000 kg)
Optional or Special Equipment
Add (+) or deduct (–) lb. (kg) as indicated to
base weight for units with
20-in. (508 mm) track shoes.....................................included in base included in base
22-in. (560 mm) track shoes.....................................220 lb. (100 kg) 309 lb. (140 kg)
Additional front lights (2) ...........................................26 lb. (12 kg) 26 lb. (12 kg)
Bolt-on rock guards...................................................320 lb. (145 kg) 558 lb. (253 kg)
Bottom tank guards...................................................783 lb. (355 kg) 915 lb. (415 kg)
Heavy-duty grille guard .............................................207 lb. (94 kg) 245 lb. (111 kg)
Heavy-duty extended rear bumper† ..........................322 lb. (146 kg) 322 lb. (146 kg)
Hydraulic controls for front attachment......................121 lb. (55 kg) 126 lb. (57 kg)
Hydraulic controls for rear attachment.......................132 lb. (60 kg) 132 lb. (60 kg)
Lower counterweight✶..............................................N/A 2,205 lb. (1000 kg)✶
Multipurpose bucket with bolt-on teeth .....................1,190 lb. (540 kg) 1,288 lb. (584 kg)
Rear counterweight✶................................................550 lb. (250 kg) 550 lb. (250 kg)
ROPS canopy (less cab).............................................– 419 lb. (– 190 kg) – 419 lb. (– 190 kg)
Segmented cutting edges..........................................176 lb. (80 kg) 254 lb. (115 kg)
Three-shank radial ripper ..........................................see ripper data, page 15 see ripper data, page 15
✶Included in base.
†Recommend removal of 550-lb. (250 kg) rear counterweight.