Caterpillar 521
Browse All Caterpillar or Feller Buncher Models
Contents:
Boom
| Bare Pin Lift At Max Reach | 15652.83 lb (7100 kg) |
Dimensions
| Overall Length | 28.34 ft in (8636 mm) |
| Overall Width | 10.5 ft in (3200 mm) |
| Height To Top Of Cab | 11.67 ft in (3556 mm) |
| Ground Clearance | 2.75 in (838 mm) |
| Width - Minimum | 126 in (3200.4 mm) |
| Height | 11.67 ft in (3556 mm) |
| Max Reach | 26.58 ft in (8100 mm) |
| Shipping Length - With Attachment | 431 in (10947.4 mm) |
| Shipping Length - Without Attachment | 340 in (8636 mm) |
Operating Specifications
| Maximum Reach - With Attachment | 26.6 ft in (8.11 m) |
| Bare Pin Lift At Maximum Reach - Without Attachment - Track Harvester Configuration | 4100 kg (9100 lb) @ 9 m (29.5 ft) |
| Maximum Reach - With Attachment - Track Harvester Configuration | 32 ft in (9.76 m) |
| Bare Pin Lift At Maximum Reach - Without Attachment | 7100 kg (15600 lb) @ 6.1 m (20 ft) |
Track
| Ground Clearance | 33 in (838.2 mm) |
| Track Gauge | 102 in (2590.81 mm) |
| Track Length | 189 in (4800.61 mm) |
| Undercarriage Size | D6H HD |
| Tractive Effort | 70500 lb (31978.27 kg) |
| Undercarriage Pitch | 8 in (203.2 mm) |
Undercarriage
| Track Gauge | 15.76 ft in (4801 mm) |
| Shoe Size | 24.02 in (610 mm) |
| Track Pitch | 8 in (203.2 mm) |
| Tractive Effort | 70499.43 lb (31978 kg) |
Engine
| Engine Make | 2236 |
| Engine Model | C9 ACERT |
| Gross Power | 284 hp (211.8 kw) |
| Net Power | 263 hp (196.2 kw) |
| Power Measured @ | 2100 rpm |
| Displacement | 537.1 cu in (8.8 L) |
| Rated Power | 263 hp (196.2 kw) |
| Engine Model | Cat C9 ACERT |
Operational
| Operating Weight W/O Attachment | 59710 lb (27084 kg) |
| Fuel Capacity | 140.1 gal (530 L) |
| Cooling System Fluid Capacity | 16.2 gal (61 L) |
| Engine Oil Capacity | 10.4 gal (39 L) |
| Hydraulic System Fluid Capacity | 79.3 gal (300 L) |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 95 amps |
Weights
| Operating Weight - Without Attachment | 59710 lb (27084.1 kg) |
| Operating Weight - Without Attachment - Track Harvester Configuration | 57440 lb (26054.4 kg) |
Hydraulic System
| Pump Size - Travel Circuit | 12.2 cu in (0.2 L) |
| Pump Size - Boom, Implements | 11.6 cu in (0.2 L) |
| Pump Size - Saw Motor | 3.4 cu in (0.1 L) |
Service Refill Capacities
| Cooling System | 16.1 gal (61 L) |
| Fuel Tank | 140 gal (530 L) |
| Hydraulic Tank | 69.2 gal (262 L) |
| Hydraulic System | 79.3 gal (300.2 L) |
| Engine Oil | 10.3 gal (39 L) |
| Swing Drive | 2.6 gal (9.9 L) |
| Pony Fuel Tank - Optional | 90 gal (340.7 L) |
Dimensions - Track Harvester Configuration
| Shipping Length - Without Attachment | 453 in (11506.2 mm) |
| Height - Without Attachment | 140 in (3556 mm) |
| Width - Minimum - Without Attachment | 126 in (3200.4 mm) |
