Mahindra G90 Road Master Motor Grader

Engine

Model

Mahindra DITEC 4915 IA BSIII CEV

Form of Air Aspiration

Turbo Charged

No of Cylinders

4

Bore

96mm

Stroke

122 mm

Displacement

3532cc

High idle rpm

2400 +/- 50 rpm

Low ideal rpm

850 +/- 50 rpm

Cooling system

water cooled

Type of fuel

Diesel

Gross horse power

66.9 kW (91 HP) @ 2200 +/- 50rpm

Peak gross torque

345 Nm 1400-1600 rpm

Electrical system voltage

12 V

Gross vehicle weight

8350 +/- 167 kg

FAW

2800 +/- 56 kg

RAW

5500 +/- 110 kg

Speed @ gear (kmph)

Forward

Reverse

1^st

4.5 to 6

5.5 to 7.5

2^nd

7.5 to 9.0

9.0 to 10.5

3^rd

16.5 to 18.5

4^th

33.0 to 36.5

Turning radius outside tyre R1

10 m

Steering angle inner wheel

45 degrees

Steering angle outer wheel

32 degrees

Base Length of MB

2000 +/- 15 mm

Thickness of Moldboard

16 +/- 0.5 mm

Blade Height

H19

516 +/- 3 mm

Standard Length of Cutting Edge

WB

2600 mm {3 piece cutting edge} {1100 + 1100 + 400}

Standard length of cutting edge with side extension

WB

3000 +/- 15 mm {4 piece cutting edge} {1100 + 1100 + 400+ 400}

Width of Cutting Edge

152 +/- 2 mm

Thickness of Cutting Edge

16 +/- 0.5 mm

End Bit

Width

C

200 +/- 1 mm

Thickness

16 +/- 0.5 mm

Blade Pull force (Kgs )

27

Blade Down force (Kgs)

27

Distance between mid & rear axle

L9

1850 mm

Distance between front & middle axle

A

4300 mm

Wheel Base

L3

5225 mm

Distance- Front axle to Moldboard Blade base

L12

1691 mm

Transport length

L1

8578 mm

Ground Clearance below front axle beam

H18

528 mm

Minimum Ground Clearance

H4

467 mm

Max vehicle height

H1

3290 mm

Track width- Front

W3F

1674 mm

Track Width Rear

W3R

1654 mm

Width- outside front tires

W1F

2021 mm

Width- outside rear tires

W1R

2001 mm

Width Transport (Without blade extensions)

WW7

2327 mm

Width Transport (With blade extensions)

WW7'

2080 mm

Circle rotation angle

AB

50 +/-1.5 deg from transverse of vehicle

Circle drive

Hydraulic cylinders with no end mechanical stoppers

Blade side shift (LH/ RH)

513 +/-2.6 mm

Blade tilt angle/ Bank cut angle (LH/RH) at ground level measured on blade

25.6' / 20'] +/- 2

Blade pitch angle at ground line

A11

Forward 40' +/- 2 , Backward 15' +/- 2

Blade lift at normal blade pitch angle

395 +/- 25*

Max blade cut depth below ground at nominal blade angle

300 +/- 25*

Attachment oscillation angle

Upward 10 +/-2 deg, Downward 15 +/-2 deg

Model Name

Carraro 4WDTransmission

Gear Ratios

Forward / Reverse

1^st

5.603 / 4.643

2^nd

3.481 / 2.884

3^rd

1.585 / 1.313

4^th

0.793 / 0.657

Torque converter ratio

2.64

Type

None Driven, Steerable Central Pivoted

Loading Capacity(TON)

8

Middle Axle

Type

Driven, Non Steerable, Rigid

Reduction ratio, Differential

2.75

Reduction Wheel end

6.932

Total Reduction Ratio

19.04

Type

Driven, Non Steerable, Central Pivoted, +/-5 Oscillation angle

Reduction ratio, Differential

2.75

Reduction Wheel end

6.932

Total Reduction Ratio

19.04

Tyre Spec

13 x 24-12 PR

SLR

600 +/- 10

DLR

603 +/- 10

Wheel Rim Size

9x24

Front / Middle / Rear

44 +/-2psi

Service Brake type

Foot operated hydraulically actuated oil immersed disc in middle axle

Parking brake type

Hand operated, mechanically, actuated oil immersed disc in middle axle

Steering

Type

Power Steering

steering Valve

Load sensing with priority valve 200 cc

Other feature

Emergency steering in case of pump failure

Electrical

System Voltage

12 V

Battery Rating

12 V, 100 AH

Alternator type

12 V, 90Amp

System

Open Centre

Pump Type

Fixed Displacement Tandem Gear Pump 26. cc + 26 cc

Max Pump Flow rate

54 litres@ 2200 rpm

Max Working pressure

200 +/- 15 bar

Refill qty

50 litres

System Capacity

60 litres

Other Feature

Load Holding with pressure refill valves for lift and sensing cylinder

Service Capacities

Hydraulic tank

50 litres @ 2000 hrs

Fuel tank

85 litres

Engine coolant

17 litres @ 1000 hrs

Engine oil

13.5 litres @ 500 hrs

Transmission

16 litres @ 1000 hrs

Middle axle or Rear axle (Differential)

14.5 Litres @1500 hrs for each axle

Middle Axle or Rear Axle (Final Drive)

1.5 litres (On each wheel end) @ 1500 hrs

Ripper

5 tyne

Dozer

1.98 meter Width