BEML BD50 crawler dozer main view
BEML Crawler Dozer

BEML BD50 Crawler Dozer

The BEML BD50 is a crawler dozer powered by the BEML BS6D105-1 turbocharged direct-injection diesel engine. It is built for construction and earthmoving work with wet main clutch, direct drive transmission, semi-rigid undercarriage, 1.76 m³ angle dozer blade, 240 L fuel tank and 12,170 kg operating mass with angle dozer.

Engine power icon
Flywheel Power67 kW
Operating mass icon
Operating Mass12,170 kg
Fuel tank icon
Fuel Tank240 L
Blade icon
Blade Capacity1.76 m³
Travel speed icon
Travel Speed0-9.4 km/h
Ground clearance icon
Ground Clearance350 mm

Key Highlights

Engine icon
Engine Model

BEML BS6D105-1

Engine power icon
Flywheel Power

67 kW @ 1,750 rpm

Weight icon
Operating Mass

12,170 kg

Fuel tank icon
Fuel Tank

240 L

Blade capacity icon
Angle Blade Capacity

1.76 m³

Blade capacity icon
Straight Blade Capacity

2.0 m³

Speed icon
Travel Speed

0-9.4 km/h

Drawbar icon
Max Drawbar Pull

10,340 kg

Track shoe icon
Track Shoe Width

400 mm

Ground clearance icon
Ground Clearance

350 mm

Gradeability icon
Gradeability

30° longitudinal

Ground pressure icon
Ground Pressure

0.73 kg/cm²

Hydraulic icon
Hydraulic Pump

170 L/min

Turning radius icon
Min Turning Radius

2.7 m

Transmission icon
Gear Shift

4 Forward / 3 Reverse

Specifications

Detailed technical specifications for BEML BD50 Crawler Dozer

ENGINE

  • Make / ModelBEML BS6D105-1
  • TypeWater-cooled, 4-cycle, turbocharged, direct-injection diesel
  • No. of Cylinders6, in-line
  • Bore x Stroke105 x 125 mm
  • Displacement6,490 cc
  • Gross Power74.5 kW (100 hp) @ 1,750 rpm
  • Flywheel Power67.0 kW (90 hp) @ 1,750 rpm
  • Maximum Torque477.5 kg-m @ 1,100 rpm
  • Fuel SystemBosch in-line FIP, mechanical all-speed governor
  • LubricationForced lubrication, gear pump, spin-on cartridge paper element
  • Cooling SystemCentrifugal water pump, pusher-type fan
  • Air CleanerDry, horizontal type

TRANSMISSION & DRIVE

  • Transmission Make / TypeBEML direct drive
  • Main ClutchWet double-disc spring type with inertia brake, foot-operated hydraulic booster
  • Transmission TypeSpur gear, selective sliding, splash lubricated and hand operated
  • Final DriveSpur gear, double reduction
  • Reduction Ratio10.07
  • Gear Shift4 Forward / 3 Reverse
  • Forward Travel Speeds1st 0-2.5, 2nd 0-3.5, 3rd 0-5.5, 4th 0-9.4 km/h
  • Reverse Travel Speeds1st 0-3.2, 2nd 0-5.2, 3rd 0-8.0 km/h
  • Maximum Drawbar Pull10,340 kg
  • Steering ClutchWet, multiple disc
  • Steering Clutch ControlHand operated with spring booster
  • Steering BrakeWet, contracting band
  • Steering Brake ControlFoot operated with hydraulic booster
  • Minimum Turning Radius2.7 m

BLADE ATTACHMENT

  • Angle Dozer Overall Length4,700 mm
  • Angle Dozer Blade Length x Height3,350 x 865 mm
  • Angle Dozer Lift Above Ground1,050 mm
  • Angle Dozer Drop Below Ground380 mm
  • Angle Dozer Tilt Adjustment250 mm
  • Angle Adjustment25°
  • Angle Blade Capacity1.76 m³
  • Straight Dozer Overall Length4,455 mm
  • Straight Dozer Blade Length x Height2,760 x 990 mm
  • Straight Dozer Lift Above Ground930 mm
  • Straight Dozer Drop Below Ground445 mm
  • Straight Dozer Tilt Adjustment250 mm
  • Straight Dozer Blade Capacity2.0 m³
  • Additional Ground Pressure0.108 kg/cm² angle / 0.109 kg/cm² straight
  • Dozer Attachment Mass1,470 kg angle / 1,495 kg straight
  • Hydraulic Control Unit330 kg

UNDERCARRIAGE

  • SuspensionSemi-rigid equalizer bar type
  • Track FrameBox section, high tensile strength steel construction
  • Track Rollers5 each side
  • Carrier Rollers2 each side
  • Track Shoe TypeSingle grouser
  • Grouser Height50 mm
  • Track Shoe Width400 mm
  • No. of Shoes38 each side
  • Ground Pressure0.73 kg/cm²
  • Ground Contact Area16,700 cm²
  • GradeabilityLongitudinal 30°, Side 12°

HYDRAULIC SYSTEM & REFILL CAPACITIES

  • Hydraulic Pump TypeGear pump
  • Hydraulic Pump Capacity170 L/min @ 1,750 rpm
  • Relief Pressure140 kg/cm²
  • Hydraulic CylindersDouble-acting piston
  • Blade Lift Cylinders2 cylinders
  • Blade Lift Cylinder Bore x StrokeØ90 x 883 mm
  • Fuel Tank240 L
  • Cooling System35 L
  • Engine Oil Pan24 L
  • Main Clutch15 L
  • Transmission / Bevel Gear Case34 L
  • Final Drive Each Side12 L
  • Hydraulic Tank50 L

DIMENSIONS & MASS

  • Operating Mass with Angle Dozer12,170 kg
  • Tractor Operating Mass10,270 kg
  • Overall Length with Angle Dozer4,700 mm
  • Overall Width at Blade3,250 mm
  • Overall Height2,870 mm
  • Ground Clearance350 mm
  • Track on Ground2,085 mm
  • Optional FOPS Steel Cabin400 kg

FEATURES & EQUIPMENT

  • Standard EquipmentAngle dozer attachment, head lamps & rear lamp, tool kit, canvas canopy
  • GaugesTachohourmeter, voltmeter, oil pressure gauge, water temperature gauge
  • IndicatorsLow engine oil pressure and high water temperature indicators
  • Electrical24 V system, 55 A alternator, 2 x 12 V / 150 Ah batteries
  • Starting Motor24 V, 7.5 kW
  • Optional AttachmentsRake dozer, drawbar fixed type, heater with defroster, cold start kit
  • Optional Blade / ShoesReduced width blade, 500 mm shoe
  • Optional Ripper / CabinMulti-shank ripper, FOPS steel cabin

BEML BD50 Maintenance Checklist

Daily pre-start checks, hourmeter-based service schedule, fluid capacity guidance and warning-alert actions for the BEML BD50 crawler dozer. This section follows the supplied BEML BD50 maintenance reference. Verify site service actions, torque values and final fluid grades with the official BEML BD50 O&M manual before maintenance.

Daily / Every Shift Checklist

Complete before every shift. These checks take about 10-15 minutes and help prevent damage, downtime and safety incidents.

Daily / 10 h
1

Engine Oil Pan Level

Check and correct level via oil level gauge. Replenish through oil filler up to proper level. Use BEML Engine Oil 15W40.

Act if: Level below mark, or oil visibly contaminated / milky.

2

Main Clutch Case Level

Check and correct level; add oil through the gauge guide. Use BEML main clutch oil.

Act if: Level low or oil contaminated.

3

Transmission Case Level

Check and correct transmission case including bevel gear case level. Use BEML transmission oil.

Act if: Level low or oil contaminated.

4

Fuel Level

Check and correct fuel level. Top up at the end of day's run to reduce condensation.

Act if: Contamination or water visible in fuel.

5

Cooling Water Level

Check and correct coolant level. Use clean soft water or permanent anti-freeze only.

Act if: Level low or coolant discoloured.

6

Floating Seals

Check floating seals on track rollers and idlers for any sign of oil leakage.

Act if: Any visible oil leakage at seals.

7

Wiring

Check wiring for discontinuity, short-circuiting and loose terminals.

Act if: Loose, damaged or shorting wiring found.

8

Mounting Bolts & Nuts

Check intake pipe, exhaust pipe, air cleaner and other mounting bolts / nuts for tightness.

Act if: Any bolt or nut found loose or missing.

9

Pre-Cleaner

Clean daily when operating in dusty, misty or damp conditions with dry-type air cleaner.

Act if: Pre-cleaner clogged with dust or debris.

10

Fuel Tank Water Drain

Drain water from fuel tank in freezing conditions at day end, or at start of day during rainy / wet months.

Act if: Water or sediment found in drained fuel.

Service Schedule by Hourmeter

Use the hourmeter reading for service timing. Lower-interval tasks continue at higher services. 250h items are shown in the routine group and should recur every 250 hours.

50-hour service - includes all daily checks.
Fuel System

Fuel filter

Drain water from the fuel filter.

DRAIN

Fuel tank

Drain water and sediment from the fuel tank.

DRAIN
250-hour routine items - repeat every 250 operating hours.
Engine

Engine oil and filter

Change 24 L engine oil and replace engine oil filter element. Use BEML Engine Oil 15W40.

CHANGE

Valve clearance and fan belt

Inspect / adjust engine valve clearance and fan belt tension. Fan belt deflection: 25-30 mm.

ADJUST
Fuel, Air & Cooling

Fuel filter element

Replace the fuel filter element.

REPLACE

Air cleaner outer element

Inspect and clean outer element. Halve interval in dusty conditions.

CLEAN

Radiator fins and hoses

Clean/check radiator fins and inspect hoses and clamps.

CLEAN

Cooling water

Change cooling water as per the 250h maintenance schedule.

CHANGE
Hydraulic & Drivetrain

Hydraulic tank and lines

Check/correct hydraulic tank oil level and drain water or sediment from hydraulic line.

CHECK

Final drive and breathers

Check/correct final drive oil level each side; clean main clutch and transmission breathers.

CHECK

Steering clutch case

Drain water from the steering clutch case.

DRAIN
Structure & Undercarriage

Greasing points

Grease hydraulic jack pins, steering clutch shifter, idler adjusting rods, cylinder support yoke/shaft and brace points.

GREASE

Track tension and shoe bolts

Check/adjust track tension to 25-40 mm midpoint clearance; check track shoe bolt tightness.

CHECK

Battery electrolyte level

Check/correct electrolyte level to 10-12 mm above the plates using distilled water only.

CHECK
500-hour service - include all 250h recurring items.
Recurring 250h work

Repeat all 250h operations

Engine oil/filter, fuel filter, air cleaner, cooling water, lubrication, track tension and drivetrain level checks recur every 250 hours.

REPEAT
1,000-hour service - include lower interval tasks.
Fluid Changes

Hydraulic tank oil and filter

Change 50 L hydraulic tank oil and replace hydraulic oil filter element. Use SAE 10W Class CD hydraulic oil.

CHANGE

Main clutch and transmission

Change main clutch case oil and transmission/bevel gear case oil; clean main clutch strainer.

CHANGE

Final drive cases

Change final drive case oil each side. Brochure lists 12 L each side; verify exact service quantity in O&M manual.

CHANGE
Inspection & Greasing

Cooling system

Flush cooling system with radiator cleaner solution and clean water.

FLUSH

Generator and starting motor

Check condition by authorised person only.

CHECK

Air cleaner inner element

Check and clean the inner element as required.

CLEAN

Universal joint and diagonal brace

Grease universal joint and diagonal brace points.

GREASE

Undercarriage lubrication

Check track/carrier rollers and idlers lubrication through seal bolts.

CHECK
2,000-hour major service - include all lower interval work.
Air Cleaner

Outer and inner elements

Change both air cleaner outer and inner elements.

CHANGE
Special Condition-Based Service

Adverse-condition greasing

Not a fixed 2,000h-only task. If the machine worked in water, seashore, volcanic/sulphurous environment, or was stored long-term, grease steering clutch cover, steering clutch lever shaft and blade control lever as specified.

GREASE

Warning Alerts & Immediate Actions

RED = stop engine immediately. AMBER = take corrective action before continuing work.

RED

Low Engine Oil Pressure Indicator ON

Engine oil pressure has dropped below safe operating level.

Immediate action: Stop engine immediately. Do not restart until cause is identified. Check oil level and pump.

Risk if ignored: Engine or bearing damage from oil starvation.

RED

High Water Temperature Indicator ON

Engine coolant temperature has exceeded safe operating limit.

Immediate action: Idle down safely and stop engine. Check coolant level, radiator and fan before restart.

Risk if ignored: Overheating damage such as head gasket or cylinder damage.

AMBER

Charger Indicator ON

Alternator is not charging the battery correctly.

Immediate action: Reduce non-essential electrical load and have charging system checked before next shift.

Risk if ignored: Battery discharge and starting failure.

AMBER

Back-up Alarm Not Sounding

Reverse alarm is inaudible or malfunctioning during pre-start check.

Immediate action: Do not reverse near personnel until alarm is repaired; use a spotter in the interim.

Risk if ignored: Struck-by-vehicle incident.

Frequently Asked Questions

Everything you need to know about the BEML BD50 Crawler Dozer

The BD50 uses the BEML BS6D105-1 water-cooled, 4-cycle, turbocharged, direct-injection diesel engine.

The BD50 produces 67.0 kW (90 hp) flywheel power at 1,750 rpm. Gross power is 74.5 kW (100 hp) at 1,750 rpm.

Operating mass is 12,170 kg with angle dozer. Tractor-only operating mass including lubricant, coolant and fuel is 10,270 kg.

The BEML BD50 fuel tank capacity is 240 litres.

The BD50 brochure lists angle dozer and straight dozer blade attachments. Angle blade capacity is 1.76 m³ and straight blade capacity is 2.0 m³.