John Deere 770G автогрейдер

Двигатель и топливная система
Модель двигателя

Cat C15 ACERT

Объем двигателя

15.3L

Система наддува двигателя

Series turbocharged, charge-air cooled

Engine Guard Clearance

0.55m

Число цилиндров двигателя

6

Номинальная частота вращения двигателя

1700rpm

Вместимость топливного бака

416.5L

Топливный бак

530L

Net Power - 80/1269/Eec

364.7kw

Net Power Gear 1-2

112kw

Net Power Gear 4-6

134kw

Net Power Gear 5-6

149kw

Net Power Gears 7-8

157kw

Net Power - Iso 14396

378.9kw

Net Power - Iso 9249

355.7kw

Net Power - Sae J1349

355.7kw

Трансмиссия
Объем трансмиссионной жидкости

28.4L

Тип трансмиссии

Direct-drive John Deere PowerShift Plus

Forward - 1

12 км/ч

Forward - 2

16.3 км/ч

Forward - 3

22.3 км/ч

Forward - 4

29.8 км/ч

Forward - 5

40.4 км/ч

Forward - 6

54.4 км/ч

Forward - 7

73.8 км/ч

Reverse

8.8 mile/h

Габариты и масса
Высота с рамой безопасности ROPS

3.88m

Полная длина

8808.72mm

Body Weight

7849.9kg

Chassis Weight

25377.6kg

Target Gross Machine Weight

71214.1kg

Гидравлическая система
Brake/Hoist Hydraulic Tank

143.9L

Pump Flow

212 л/мин

Pump Flow - High Idle

118 гал/мин

Pump Type

Closed-center, pressure-compensated load-sensing (PCLS), variable-displacement piston pump

Ходовая часть
Колесная база

6160mm

Dump Clearance

0.52m

Front Ground Clearance

587mm

Дорожный просвет

487.68mm

Rear Axle Clearance

0.55m

Tandem Axle Wheelbase

1540mm

Standard Tire

18.00R33 (E4)

Технические характеристики
Blade Base

2570mm

Front Canopy Height

4.12m

Height To Top Of Isomount Cab

3180mm

Inside Body Depth - Maximum

1.41m

Inside Body Length

5.64m

Inside Body Width

3.63m

Loading Height - Empty

3.14m

Operating Width

4785.36mm

Outside Body Width

3.94m

Overall Body Length

8.17m

Overall Height - Body Raised

8.27m

Overall Tire Width

3.69m

Rear Axle - Tail

2.6m

Wheel Base

3.97m

Centerline Front Tire Width

3.11m

Bore

137.2mm

Stroke

170.2mm

Gross Power - Sae J1995

384.1kw

Net Torque - Sae J1349

2486.6Nm

Note (3)

No engine derating required up to 3000 m (9,843 ft) altitude.

Note (4)

Meets U.S. Environmental Protection Agency Tier 4 and EuropeanUnion Stage IV emission standards.

Объём охлаждающей жидкости

51L

Circle Gearbox Fluid Capacity

5.7L

Number Of Gears - Forward

8

Number Of Gears - Reverse

8

Steering Standards

ISO 5010:2007

Steer Angle

40.5°

Turning Diameter - Front

17.6m

Wheel Lean

20°

Oscillation - Total

32°

Moldboard Thickness

22mm

Relief Valve Pressure

18961kPa

Diameter

1524mm

Rotation

360°

Shift Left

787mm

Shift Right

787mm

Brake Surface - Front

0.2m2

Brake Surface - Rear

4.1m2

Brake Standards

ISO 3450:1996

Note

Target gross machine operating weight is 71 214 kg (157,000 lb).

Relief Valve Setting - Raise

2750 psi

Body Raise Time - High Idle

7.5 s

Body Lower Time - Float

10 s

Body Power Down - High Idle

10 s

Relief Valve Setting - Lower

500 psi

Planetary Ratio

4.80:1

Differential Ratio

1.92:1

Total Reduction Ratio

9.26:1

Nominal Payload Class (100%)

38192.5kg

Top Speed - Loaded

73.8 км/ч

Body Capacity - Sae 2:1

25.2m3

Target Payload Capacity

38192.5kg

Maximum Payload Class (110%)

42002.7kg

Not To Exceed Payload (120%)*

45812.8kg

Cooling System

125L

Differential - Final Drives

178L

Steering Tank

54.9L

Crankcase

64.4L

Brake Hoist System

227.2L

Def Tank

22.8L

Передняя ось в ненагруженном состоянии

49 %

Front Axle - Loaded

34 %

Задняя ось в ненагруженном состоянии

51 %

Rear Axle - Loaded

66 %

Note (1)

Chassis weight with 100% fuel, hoist, body mounting group, rimsand tires.

Note (2)

Body weight is the standard dual slope body with no liner and will vary depending on configuration.

Struck

17.6m3

Heaped (2:1, Sae)

25.2m3

Rops Standards

ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

Fops Standards

FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.

Sound Standards (3)

Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.

Sound Standards (1)

Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Sound Standards (2)

Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).

Rear Axle Oscillation

8.9°