Contents
Engine Details
| Displacement | 428 cu in (7.1 L) |
| Bore | 4.2 in (105 mm) |
| Stroke | 5.4 in (134.9 mm) |
| Gross Power – Sae J1995 | 242 hp (180.5 kw) |
| Engine Model | Cat C7.1 ACERT |
| Net Flywheel Power | 239 hp (178.3 kw) |
| Net Power – Sae J1349/Iso 9249 | 239 hp (178.3 kw) |
Operational Specs
| Operating Weight | 69902 lb (31707.1 kg) |
Swing Mechanism
| Swing Torque | 60628 lb ft (82200.6 Nm) |
| Swing Speed | 9.6 rpm |
Weights
| Note (1) | *6.15 m (20’2”) Reach Boom, R3.2CB2 (10’6″) Stick, 600 mm (24″) SG Shoes, 5.8 mt (6.3 t) Counterweight, 1.3 m3 (1.70 yd3) Bucket. |
| Note (2) | **10.2 m (33’6″) SLR Boom, 7.85 m (25’9″) Stick, 800 mm (31″) TG Shoes, 6.75 mt (7.4 t) Counterweight, 0.53 m3 (0.69 yd3) Bucket. |
| Minimum Operating Weight* | 65169 lb (29560.2 kg) |
| Maximum Operating Weight** | 69902 lb (31707.1 kg) |
Hydraulic System
| Pilot System – Maximum Flow | 6.1 gal/min |
| Pilot System – Maximum Pressure | 595 psi |
| Maximum Pressure – Travel | 5366 psi |
| Maximum Pressure – Swing | 3974 psi |
| Boom Cylinder – Bore | 6 in (152.4 mm) |
| Boom Cylinder – Stroke | 55 in (1397 mm) |
| Stick Cylinder – Bore | 6 in (152.4 mm) |
| Stick Cylinder – Stroke | 65 in (1651 mm) |
| Main System – Maximum Flow – Total | 130 gal/min |
| Maximum Pressure – Equipment – Heavy Lift | 5511 psi |
| Maximum Pressure – Equipment – Normal | 5076 psi |
| Cb2 Bucket Cylinder – Bore | 5.9 in (149.9 mm) |
| Cb2 Bucket Cylinder – Stroke | 45.3 in (1150.7 mm) |
Service Refill Capacities
| Cooling System | 7.9 gal (30 L) |
| Def Tank | 10.8 gal (40.9 L) |
| Final Drive – Each | 1.6 gal (6.1 L) |
| Hydraulic Tank | 46.2 gal (174.9 L) |
| Hydraulic System – Including Tank | 81.9 gal (310.1 L) |
| Fuel Tank Capacity | 137.4 gal (520.2 L) |
| Swing Drive – Each | 2.3 gal (8.8 L) |
| Engine Oil – With Filter | 6.3 gal (23.9 L) |
Standards
| Brakes | ISO 10265 2008 |
| Cab/Fogs | ISO 10262 1998 |
Sound Performance
| Iso 6396 – Operator Noise (Closed) | 72 dB(A) |
| Iso 6395 – Spectator Noise | 105 dB(A) |
| Note (1) | When properly installed and maintained, the cab offered by Caterpillar, when tested with doors and windows closed according to ANSI/SAE J1166 OCT98, meets OSHA and MSHA requirements for operator sound exposure limits in effect at time of manufacture. |
| Note (2) | Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in noisy environment. |
Track
| Number Of Track Rollers – Each Side – Long Undercarriage | 9 |
| Number Of Shoes – Each Side – Long Undercarriage | 50 |
| Number Of Carrier Rollers – Each Side – Long Undercarriage | 2 |
Drive
| Maximum Travel Speed | 3.2 mph (5.2 km/h) |
| Maximum Drawbar Pull | 55528 lb (25187.1 kg) |
