Overview

Our designers at Mahindra looked at the current scenario of construction requirement of developing countries and made some dramatic leaps in the technology of our own Backhoe Loader and designed EarthMaster SX 90 4WD specifically for the usage patterns of developing nations that breaks all the standards in the Backhoe Loader category.

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Specifications

PARAMETER EARTHMASTER SX90
Engine Model 4915-IA-CE V
Emission Standard BS III
Type Turbocharged lntercooled
No. of Cylinders 4
Displacement 3532 cc
Gross Horse Power 91 HP (66.9 kW)@ 2200 RPM
Peak Gross Torque 345 Nm± 5%@ 1400- 1600 RPM
Hydraulics System Type and Pressure Open Centre: 250 Bars (3675 PSI)
Pump Type Fixed Displacement, Gear Pump
Pump Delivery 117 [email protected] 2250 RPM
Control Valves (Backhoe and Loader) Sectional Valves (Sandwich Type, Individually Replaceable)
Transmission Type: Four Speed (4 Forward, 4 Reverse), Four Wheel Drive (4 WO), Synchro Shuttle Transmission with Electrically Operated Reversing Shuttle and Torque Convertor having Stall Ratio of 2.64:1
Axles Rear Axle:  Rigidly mounted drive axle, with outbound planetary final drives, driven by short drive shaft.
Front Axle: Centrally pivoted, driven unbalanced type axle, with total oscillation of 16°, with remote greasing
facility for the main pin
Brakes Service Brakes: Hydraulically actuated, self adjusting, maintenance free, oil immersed multi-disc, on the rear axle, operated by independent foot pedals, joined together for normal operation.
Parking Brakes: Hand operated, inbuilt
in the rear axle, low maintenance.
Electricals Dust-proof switches, ignition controls for engine start and stop, horn and reverse alarm, water and dust-proof electrical
connectors. Electric: 12V, Battery: 100Ah  Alternator: 90 Ampere for Non-AC Version
Cabin Ergonomically designed cabin with contemporary styling, excellent operator comfort, day and night time visibility, rear view mirror, multiple storage options, two door access, sliding rear window, stowable doors and an integrated tool
box. Cabin frame built with sturdy tubular sections and protected with CED technology for longer rust protection . Fully adjustable premium operator seat with safety belt. Excellent leg space, conveniently positioned control levers
and pedals. Low line curved hood to enhance operator visibility . RD PS, FO PS Compliance – Yes . Climate control optional
Steering Front wheel hydrostatic power steering with priority function and pressure relief setting of 145 bar.
Operator Information and Entertainment System Cluster with Water and Dust-proof connectors (I P-67) with Speedometer, Turn and Head Light Signals. Gauges : Temperature, Oil, Fuel, RPM gauge
Gear Speed (Max with IT tyres ) 1st F/R 4.93 to 5.33km/h
2nd F/R 7.94 to 8.58km/h
3rd F/R 17.43 to 18.83km/h
4th F/R 34.83 to 37.64km/h
System Capacities Type SYSTEM CAPACITIES SYSTEM REPLACEMENT CAPACITIES
Hydraulic Oil Capacity 50 Litres 50 Litres
Fuel Tank 120 Litres 120 Litres
Engine Coolant Ready Mix (17 Litres) 17 Litres
Engine Oil 13.7 Litres 13 Litres
Transmission 22 Litres 12 Litres
Rear Axle 17.1 Litres 17.1 Litres
Front Axle 9.1 Litres 9.1 Litres
Tyres Standard (Industrial/ Heavy Duty)
Front 12.5 X 18-12PR
Rear 16.9 X 28 – 12PR (IT), 14 X 25 – 12PR/ 20PR (HD)
Backhoe Static Dimension SX90 4WD IT SX90 4WD HD
Overall Length 5864 mm 5856 mm
Wheelbase 2175 mm 2175 mm
Height to top of Cab 2978 mm 2950 mm
Overall Height 3665 mm 3634 mm
Track Width Rear 1720 mm 1720 mm
Track Width Front 1920 mm 1920 mm
Width over Bucket 2404 mm 2404 mm
Max Length From Front Axle Center (Carry Position) 1836 mm 1829 mm
Max Length From Rear Axle Center (Carry Position) 3207 mm 3210 mm
Width During Transport Condition 2422 mm 2422 mm
Max Length (Carry Position) 7218 mm 7215 mm
Backhoe Performance
Max Dig Depth* 4350 mm 4432 mm
Reach at ground level to Wheel Center 7092 mm 7101 mm
Reach at ground level to Slew Center 5761 mm 5773 mm
Reach at full height to Slew Center 2676 mm 2676 mm
Side Reach to Center of Machine 6291 mm 6303 mm
Max Working Height* 5474 mm 5474 mm
Max Load Over Height* 3606 mm 3520 mm
King Post Travel 1060 mm 1060 mm
Bucket Tearout Force 5828 kg 5828 kg
Dipper Tea rout Force 3182 kg 3182 mm
Lift capacity to bucket pivot at full reach w/o bucket 1449 kg 1449 kg
Bucket (Standard) 0.3 CuM
Loader Performance
Dump Height 2715 mm 2723 mm
Load Over Height 3267 mm 3277 mm
Pin Height 3477 mm 3482 mm
Pin Forward Reach 220mm 204mm
Reach at Ground 1350 mm 1350 mm
Max Reach at Full Height 1100mm 1084 mm
Reach at Full Height – Bucket Dump 706mm 694mm
Below Ground Level Dig Depth 107mm 97mm
Roll Back Angle at Ground 43° 44°
Dump Angle 44° 44°
Roll Back Angle at Max Lift 48° 49°
Overall Height Bucket Raised 4415 mm 4415 mm
Bucket Breakout Force 6243 kg 6243 kg
Loader Arm Breakout Force 5594 kg 5594 kg
Shovel 1.1 CuM (6-in- 1) 1.1 CuM (6-in- 1)
Lift Capacity at Max Height 3428 kg 3428 kg
Payload 1800 kg 1800 kg
Turning Radius
Inner Wheel Braked Turning Radius outside bucket 4494 mm 4494 mm
Turning Radius outside wheels 3083 mm 3083 mm
Inner Wheel Not Braked Turning Radius outside bucket 5150mm 5150mm
Turning Radius outside wheels 3825 mm 3825 mm
Shipping Weight of Vehicles Net Weight of Machine 7592 kg 7742 kg

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