Overview

The RoadMaster G75 is created to offer an affordable, un-compromised and mechanized grading solution for small & medium roads. The RoadMaster G75 is an ideal grading machine for spreading and grading of earthwork, GSB(aggregates/crushed stone) and WBM/WMM(fine aggregate mix with water) in different types of roadwork across the nation in addition to being used for railway and ground levelling operations across sectors. The G75 is designed to provide optimal output at affordable cost with its simple yet rugged design. The RoadMaster G75 comes with GPRS based remote monitoring system DigiSense that keeps a track of your machine with the touch of a finger.

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Features

Specifications

PARAMETERS ROADMASTER
Variants Grader G75
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 2500 rpm
Low ideal rpm 850 rpm
Cooling system water cooled
Type of fuel Diesel
Gross horse power 58.8 kW (79.95 HP) @ 2300 rpm
Peak gross torque 306 Nm 1300-1700 rpm
Electrical system voltage 12 V
Operating Specification Gross vehicle weight 8350 +/- 167 kg
FAW 2800 +/- 56 kg
RAW 5500 +/- 110 kg
Speed @ gear (kmph) Forward Reverse
1st 4.5 to 6 6.0 to 7.5
2nd 7.5 to 9.0 9.0 to 10.5
3rd 16.5 to 18.5
4th 34.0 to 38.0
Turning radius outside tyre R1 10 m
Steering angle inner wheel 45 degrees
Steering angle outer wheel 32 degrees
Moldboard Base Length of MB 26000 mm
Thickness of Moldboard 16  mm
Blade Height H19 516  mm
Cutting Edge (blade) 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 mm
Cutting Edge (blade) 16 mm
End Bit Width 200  mm
Thickness 16 mm
Blade Pull force (Kgs ) 3500 max
Blade Down force (Kgs) 3500 max
Dimensions (in mm) 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 7835 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 2667 mm
Distance outside front tyre and blade
(Without blade extensions)
B 153 mm
Distance outside front tyre and blade
(With blade extensions)
B 323 mm
Blade Range Circle rotation angle AB 30 deg from transverse of vehicle
Circle drive Hydraulic cylinders with no end mechanical stoppers
Blade side shift (LH/ RH) 513 mm
Blade tilt angle/ Bank cut angle (LH/RH) at ground level measured on blade 20’ / 15’]
Blade pitch angle at ground line A11 Forward 40’
Backward 15’
Blade lift at normal blade pitch angle 289.5mm
Max blade cut depth below ground at nominal blade angle 489.5mm
Attachment oscillation angle Upward 10 +/-2 deg
Downward 15 +/-2 deg
Transmission Model Name Carraro 4WDTransmission
Gear Ratios Forward / Reverse
1st 5.603 / 4.643
2nd 3.481 /  2.884
3rd  2.884  /  1.313
4th 0.793  / 0.657
Torque converter ratio 2.64
Front Axle 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
Rear Axle Type Driven, Non Steerable, Central Pivoted+/-5 Oscillation angle
Reduction ratio, Differential 2.75
Reduction Wheel end 6.932
Total Reduction Ratio 19.04
Tyres and Wheels Tyre Spec 13 x 24-12 PR
SLR 600
DLR 603
Wheel Rim Size 9 x 24
Tyre Pressure Front / Middle / Rear 44 psi
Brakes 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
Streeing 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
Hydraulics System Open Centre
Pump Type Fixed Displacement Tandem Gear Pump
26. cc + 26 cc
Max Pump Flow rate 54 [email protected] 2200 rpm
Max Working pressure 180 bar
Refill qty 50 litres
System Capacity 60 litres
Other Feature Load Holding with pressure refill valves for lift and sensing cylinder
Services 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)
1.5 litres (On each wheel end) @ 1500 hrs
Middle Axle or Rear Axle
(Final Drive)
1.5 litres (On each wheel end) @ 1500 hrs
Optional Fitments Ripper 5 tyne
Dozer 1.98 meter Width

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