Contents
Ground Clearance
| Ground Clearance | 35 in (889 mm) |
Operating Specifications
| Maximum Reach – With Attachment | 26.5 ft in (8.08 m) |
Undercarriage
| Pitch | 8.5 in (215.9 mm) |
| Size | 330 EX (D7) |
Engine Details
| Gross Power | 303 hp (226 kw) |
Power Train
| Engine Model | Cat C9 ACERT |
| Gross Power – 1,800 Rpm | 303 hp (226 kw) |
| Rated Power – 2,100 Rpm | 282 hp (210.3 kw) |
| Displacement | 537 cu in (8.8 L) |
| Gross Power | 303 hp (226 kw) |
Weights
| Operating Weight – Without Attachment | 60629 lb (27500.9 kg) |
Hydraulic System
| Pumps (2) | Dedicated variable displacement pump for travel circuit – 200 cc |
| Pumps (3) | Dedicated variable displacement pump for boom and implement functions – 200 cc |
| Pumps (4) | Dedicated variable displacement pump for saw motor – 55 cc |
| Pumps (1) | Electric hydraulic oil fill pump |
Service Refill Capacities
| Cooling System | 10.8 gal (40.9 L) |
| Hydraulic System | 118 gal (446.7 L) |
| Engine Oil | 10.3 gal (39 L) |
| Fuel Tank Capacity | 226 gal (855.6 L) |
| Swing Drive | 2.6 gal (9.9 L) |
Standards
| Cab | Cab meets FOPS/OPS/ROPS/WCB/OR-OSHA requirements |
Boom System
| Track Feller Buncher – Lift Over Front Of Tracks: Maximum Reach – With Head | 26.5 ft in (8.1 m) |
| Track Feller Buncher – Lift Over Front Of Tracks: Bare Pin Lift At Maximum Reach – Without Head | 6100 kg @ 6.2 m (13,500 lb @ 20 ft 6 in) |
Operating Weights
| Track Feller Buncher – 521b | 60629 lb (27500.9 kg) |
Track Gauge
| 521b | 102 in (2590.8 mm) |
Track Length
| Track Length | 191.1 in (4854 mm) |
Tractive Effort
| 521b | 70500 lb (31978.3 kg) |
