189 / 2440
5-14 Edition 47
Specifications
Harvesting
Track Feller Bunchers
ZTS (ZeroTail Swing)
MODEL
521B
522B
Gross Power (ISO 14396) @ 1800 RPM
226 kW
303 hp
226 kW
303 hp
Operating Weight (without head)
27 501 kg
60,629 lb
32 528 kg
71,711 lb
Engine Model
C9 ACERT
C9 ACERT
Emission Standards
Tier 3/Stage IIIA/
Japan 2006 (Tier 3) equivalent
Tier 3/Stage IIIA/
Japan 2006 (Tier 3) equivalent
Displacement
8.8 L
537 in
3
8.8 L
537 in
3
Tractive Effort:
Standard
314 kN
70,500 lbf
336 kN
75,500 lbf
Optional
—
378 kN
85,000 lbf
Undercarriage:
Size
330 EX
330 EX
Pitch
215.9 mm
8.5"
215.9 mm
8.5"
Track Gauge
2591 mm
102"
2591-2870 mm
102-113"
Track Length
4855 mm
191.1"
4855 mm
191.1"
Swing Torque
87.5 kN·m
64,500 lb-ft
87.5 kN·m
64,500 lb-ft
Swing Speed
6.8 RPM
6.8 RPM
Maximum Reach (with head)
8.1 m
26'6"
8.1 m
26'6"
Bare Pin Lift @ Maximum Reach
(without head)*
6100 kg
@ 6.2 m
13,500 lb
@ 20'6"
6100 kg
@ 6.2 m
13,500 lb
@ 20'6"
Fuel Capacity
856 L
226 U.S. gal
856 L
226 U.S. gal
Hydraulic System:
Oil Fill Pump
Electric
Electric
Variable Displacement Pumps:
Travel and Tilt Functions (552 Only)
416 L
110 gpm
416 L
110 gpm
Boom and Implement Functions
416 L
110 gpm
416 L
110 gpm
Saw Pump
114 L
30 gpm
114 L
30 gpm
General Dimensions:
Ground Clearance
889 mm
35"
889 mm
35"
Width (with 610 mm/
24"
Track Shoe)
3200 mm
126"
3200 mm
126"
Adjustable to
—
3480 mm
137"
Height (to top of cab
with standard skylight)
3556 mm
140"
3901 mm
154"
Tail Swing (with Counterweight)
1929 mm
6'4"
1929 mm
6'4"
*Lift over front of tracks.