Milton CAT 772 - Manual (Page 22)

22 772 Off-Highway Truck specifications
Transmission
Forward 1 12.9 km/h 8 mph
Forward 2 17.7 km/h 11 mph
Forward 3 24 km/h 14.9 mph
Forward 4 32.2 km/h 20 mph
Forward 5 43.6 km/h 27.1 mph
Forward 6 58.7 km/h 36.5 mph
Forward 7 79.7 km/h 49.5 mph
Reverse 16.9 km/h 10.5 mph
• Maximum travel speeds with standard 21.00R33 (E4) tires.
Final Drives
Differential Ratio 2.74:1
Planetary Ratio 4.80:1
Total Reduction Ratio 13.15:1
Brakes
Brake Surface – Front 1395 cm 2 216 in 2
Brake Surface – Rear 50 284 cm 2 7,794 in 2
Brake Standards ISO 3450: 1996
• Target Gross Machine Operating Weight is up to 82 100 kg
(181,000 lb).
Body Hoists
Pump Flow – High Idle 515 L/min 136 gal/min
Relief Valve Setting – Raise 17 255 kPa 2,500 psi
Relief Valve Setting – Lower 3450 kPa 500 psi
Body Raise Time* 8.1 Seconds
Body Lower Time – Float 14.7 Seconds
Body Power Down – High Idle* 14.3 Seconds
* Without Sound Suppression Package
Capacity – Dual Slope – 100% fill factor
Struck 24.2 m 3 31.7 yd 3
Heaped 2:1 (SAE) 31.2 m 3 40.8 yd 3
Capacity – Flat Floor – 100% fill factor
Struck 23.3 m 3 30.5 yd 3
Heaped 2:1 (SAE) 31.3 m 3 41 yd 3
Engine
Engine Model Cat ® C18 ACERT™
Rated Engine Speed 1,800 rpm
Gross Power – SAE J1995 446 kW 598 hp
Net Power – SAE J1349 399 kW 535 hp
Net Power – ISO 9249 399 kW 535 hp
Net Power – ISO 9249:1997 399 kW 535 hp
Net Power – 80/1269/EEC 399 kW 535 hp
Number of Cylinders 6
Peak Torque 2696 N•m 1,988 lb-ft
Bore 145 mm 5.7 in
Stroke 183 mm 7.2 in
Displacement 18.1 L 1,105 in 3
• Power rating applies at 1,800 rpm when tested under
the specified condition for the specified standard.
• Ratings based on SAE J1995 standard air conditions of 25° C
(77° F) and 100 kPa (29.61 Hg) barometer. Power based on
fuel having API gravity of 35 at 16° C (60° F) and an LHV of
42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
• No engine derating required up to 2286 m (7,500 ft) altitude.
• Compliant with U.S. Environmental Protection Agency Tier 3
emissions standards and European Union Stage IIIa
regulations.
Weights – Approximate
Target Gross Machine 82 100 kg 181,000 lb
Operating Weight
Chassis Weight 25 025 kg 55,171 lb
Body Weight 10 429 kg 23,013 lb
• Body weight varies depending on how body is equipped.
Shown above is the Flat Floor, Medium Impact, Steel
Body System.
Operating Specifications
Nominal Payload Class 45 tonnes 50 tons
Top Speed – Loaded 79.7 km/h 49.5 mph
Body Capacity – SAE 2:1 31.3 m 3 41 yd 3
Target Payload Capacity 45 tonnes 50 tons
• Refer to the Caterpillar 10/10/20 Overload Policy for maximum
gross machine weight limitations.
• Capacity with flat floor body.