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770A MOTOR GRADER

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Model shown may Include options

ENGINE PERFORMANCE
Nm I Ib-ft
w 651 ::J 597 0 t- 542 t488 480 440 400 360 hp kW TORQUE

FEATURES 150 SAE net hp (112 kW) 12-ft. (3.65 m) moldboard with 0.62 x 6 in. (16 x 152 mm)through-hardened Dura-Max@ cutting edge; 13- and 14-ft. (3.95 and 4.25 m) moldboards and 2-ft. (610 mm) extensions available
Power shift

ADD VERSATILITY WITH::
Scarifier
Rear-mounted ripper

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Snow plow and wings

Bulldozer Automatic blade control

160 119 a: w 140 104 "120 89 tw 100 75 Z 80 I 60
FUEL CONSUMPTION

transmission;

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8 speeds forward, 4 reverse Articulated frame steeringDifferential lock-unlock
22.ft.

Ibl g/kWhI hph -' 274
~243 u. 213
1

(6.70 m) turning radius

AS AO "35

L 1000

functions
1400
1800 2200

All-hydraulic control of blade and machine

Closed-centerhydraulicsystem with
Pushbutton control

ENGINE"SPEED-RPM

operational no-leak, drift-free poppet valves

Hydraulically controlled, 7-position lift arms let you position bladefor 90-degree bank cuts, left or right, in approximately one minute, without leaving the seat Oscillating front axle and rear tandem Hydraulic front-wheel lean

Rolloverprotectivestructure (ROPS) w/cab

65

770A MOTOR GRADER SPECIFICATIONS
(Specifications and design subject to change without notice. Wherever applicable, specifications are in accordance with SAE Standards. Except whereotherwise noted, these specifications are based on a unit with 13.00-24, 12-PR, tubeless tires with 8 in. (203 mm) rims, 12-ft. (3.65 m) moldboard with 6-in. (152 mm) cutting edge, and standard equipment. Weights include lubricants, coolants, full fuel tank and 175 lb. (79 kg) operator.)

Rated Power @2200 rpm: Net Gross

SAE 150hp(112kW) 160hp(119kW)

DIN 70 020 112 kW

Blade Lift Mechanism:Control Lift Arms: Nodular cast iron Positions Control

Dual-lever,hydraulic 7 Hydraulic,footoperated

Net engine power is with standard equipment including air cleaner, exhaust system, alternator, and cooling fan, at standard conditions per SAE J1349 and DIN 70020, using No. 2D fuel @35 API gravity. No derating is required up to 10,000 ft. (3050 m) altitude. Gross power is without cooling fan.Engine: John Deere 6-466A
Type. . . . . . . . . 4-stroke cycle, turbocharged and intercooled diesel Bore and stroke. . . . . . . . . . . . . . . .4.56 x 4.75 in. (116 x 121 mm) No.ofcylinders 6 Displacement 466cu.in.(7.638L) Compression ratio 14.9t01 Maximum net torque @1300 rpm . . . . . 4651b-ft 630Nm)(64kg-m) ( Lubrication. . . . . . . . . . . . . . . . . . . Pressure system w/full-flowfilter Cooling fan Suctiontype Aspirated air cleaner w/restriction indicator. . . . . . . . . . . . . . . . Dry

Circle: Fabricated steel angle construction Circle diameter 60in(1.5m) Rotation 360deg. Drive. . . . . . . . . . . . . . . Hydraulic motor and worm gear w/positive position lock Sideshift,right 32.0in.(813mm) left 33.5in.(851mm) Drawbar . . Welded box section, 3.5 x 7 x 0.5 in. (89 x178 x 13 mm) wall, w/ball and socket draft connection Frame:

Electrical system. . . . . . . . . . . . . . . . . . 25
Batteries (two 12-volt) Transmission.

volt w/42 amp alternator

Reserve capacity: 360 minutes

. . . . . . . . . . . . . . . . . . . Direct drive, full power shift with planetary gear reductions. Foot inching pedal.

Rearmainframe. . . . . . . . . . . . . . . . . . . .Welded

box section from

Travel Speeds (2200 engine rpm, no tire slip, 14.00-24 tires)

Shift Lever Position 1 2 3 4 5 6 7 8
Differential Lock.

Forward mph km/h 2.3 3.7 3.3 5.3 5.2 8.4 6.7 10.8 8.8 14.2 11.5 18.5 14.6 23.5 25.1 40.4

Reverse mph km/h 3.0 4.8 4.2 6.8 6.6 10.6 8.6 13.8

articulation joint to mainframe arch Width, minimum 12.03in.(306mm) Height,minimum 11.95in.(304mm)...