- Bare Pin Lift At Max Reach: 15652.83 lb / 7100 kg
- Overall Length: 28.34 ft / 8636 mm
- Overall Width: 10.5 ft / 3200 mm
- Height To Top Of Cab: 11.67 ft / 3556 mm
Published dimensions and weight
Caterpillar 521
The Caterpillar 521 is a feller buncher of about 27.1 t; its C9 ACERT engine is rated at 263 hp.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight W/O Attachment59710 lb27084 kg
03Selected published values53
Feller bunchers are commonly used to cut and group standing trees for subsequent extraction. Published rows for Caterpillar 521 include published engine power of 284 hp / 211.8 kw, the published “Bare Pin Lift At Max Reach” field of 15652.83 lb / 7100 kg, the published “Overall Length” field of 28.34 ft / 8636 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Bare Pin Lift At Max Reach” field (15652.83 lb / 7100 kg) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Length” field (28.34 ft / 8636 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (10.5 ft / 3200 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Boom
Bare Pin Lift At Max Reach15652.83 lb7100 kg
Dimensions
Overall Length28.34 ft8636 mm
Overall Width10.5 ft3200 mm
Height To Top Of Cab11.67 ft3556 mm
Ground Clearance2.75 ft838 mm
Width - Minimum126 in3200.4 mm
Height11.67 ft3556 mm
Max Reach26.58 ft8100 mm
Shipping Length - With Attachment431 in10947.4 mm
Shipping Length - Without Attachment340 in8636 mm
Operating Specifications
Maximum Reach - With Attachment26.6 ft8.11 m
Bare Pin Lift At Maximum Reach - Without Attachment - Track Harvester Configuration4100 kg (9100 lb) @ 9 m (29.5 ft)4100 kg (9100 lb) @ 9 m (29.5 ft)
Maximum Reach - With Attachment - Track Harvester Configuration32 ft9.76 m
Bare Pin Lift At Maximum Reach - Without Attachment7100 kg (15600 lb) @ 6.1 m (20 ft)7100 kg (15600 lb) @ 6.1 m (20 ft)
Track
Ground Clearance33 in838.2 mm
Track Gauge102 in2590.81 mm
Track Length189 in4800.61 mm
Undercarriage SizeD6H HDD6H HD
Tractive Effort70500 lb31978.27 kg
Undercarriage Pitch8 in203.2 mm
Undercarriage
Track Gauge15.76 ft4801 mm
Shoe Size24.02 in610 mm
Track Pitch8 in203.2 mm
Tractive Effort70499.43 lb31978 kg
Engine
Engine Make22362236
Engine ModelC9 ACERTC9 ACERT
Gross Power284 hp211.8 kw
Net Power263 hp196.2 kw
Power Measured @2100 rpm2100 rpm
Displacement537.1 cu in8.8 L
Rated Power263 hp196.2 kw
Operational
Operating Weight W/O Attachment59710 lb27084 kg
Fuel Capacity140.1 gal530 L
Cooling System Fluid Capacity16.2 gal61 L
Engine Oil Capacity10.4 gal39 L
Hydraulic System Fluid Capacity79.3 gal300 L
Operating Voltage24 V24 V
Alternator Supplied Amperage95 amps95 amps
Weights
Operating Weight - Without Attachment59710 lb27084.1 kg
Operating Weight - Without Attachment - Track Harvester Configuration57440 lb26054.4 kg
Hydraulic System
Pump Size - Travel Circuit12.2 cu in0.2 L
Pump Size - Boom, Implements11.6 cu in0.2 L
Pump Size - Saw Motor3.4 cu in0.1 L
Service Refill Capacities
Cooling System16.1 gal61 L
Fuel Tank140 gal530 L
Hydraulic Tank69.2 gal262 L
Hydraulic System79.3 gal300.2 L
Engine Oil10.3 gal39 L
Swing Drive2.6 gal9.9 L
Pony Fuel Tank - Optional90 gal340.7 L
Dimensions - Track Harvester Configuration
Shipping Length - Without Attachment453 in11506.2 mm
Height - Without Attachment140 in3556 mm
Width - Minimum - Without Attachment126 in3200.4 mm
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Manufacturer-published specifications.