Final drives, Brakes, Body hoists – Milton CAT 770 User Manual

Page 22: Capacity – dual slope – 100% fill factor, Capacity – flat floor – 100% fill factor, Engine, Weights – approximate, Operating specifications

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22

770 Off-Highway Truck specifications

Transmission

Forward 1

12.1 km/h

7.5 mph

Forward 2

16.6 km/h

10.3 mph

Forward 3

22.5 km/h

14 mph

Forward 4

30.3 km/h

18.8 mph

Forward 5

40.9 km/h

25.4 mph

Forward 6

55.2 km/h

34.3 mph

Forward 7

74.8 km/h

46.5 mph

Reverse

15.9 km/h

9.9 mph

• Maximum travel speeds with standard 18.00R33 (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

40 266 cm

2

6,235 in

2

Brake Standards

ISO 3450: 1996

• Target Gross Machine Operating Weight is up to 71 214 kg

(157,000 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

18.0 m

3

23.6 yd

3

Heaped 2:1 (SAE)

25.9 m

3

33.9 yd

3

Capacity – Flat Floor – 100% fill factor

Struck

17.1 m

3

22.4 yd

3

Heaped 2:1 (SAE)

25.1 m

3

32.9 yd

3

Engine

Engine Model

Cat

®

C15 ACERT™

Rated Engine Speed

1,800 rpm

Gross Power – SAE J1995

381 kW

511 hp

Net Power – SAE J1349

355 kW

476 hp

Net Power – ISO 9249:1997

355 kW

476 hp

Net Power – 80/1269/EEC

355 kW

476 hp

Number of Cylinders

6

Peak Torque

2320 N•m

1,711 lb-ft

Bore

137 mm

5.4 in

Stroke

171 mm

6.7 in

Displacement

15.2 L

927.6 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

71 214 kg

157,000 lb

Operating Weight

Chassis Weight

24 213 kg

53,380 lb

Body Weight

10 029 kg

22,110 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

36.3 tonnes

40 tons

Top Speed – Loaded

74.8 km/h

46.5 mph

Body Capacity – SAE 2:1

25.1 m

3

32.9 yd

3

Target Payload Capacity

36.3 tonnes

40 tons

• Refer to the Caterpillar 10/10/20 Overload Policy for maximum

gross machine weight limitations.

• Capacity with flat floor body.

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