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KOMATSU D61EX-24

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Year

2024

Manufacturer

Komastu

Model

D61EX-24

Condition

New

Location

Ontario

A mid-size dozer built for versatility

Versatile to accomplish any task, the D61EX-24 brings excellent visibility to all your projects. The second-generation mid-size dozer comes with a new H mode that helps operators maintain ground speed while operating under heavy loads.

  • Next step up in size
  • Can step in for some heavier dozing
  • Fuel consumption is reduced up to an additional 5% over prior model

Engine

Model Komatsu SAA6D107E-3*
Type 4-cycle, water-cooled, direct injection
Aspiration Komatsu Variable Geometry Turbocharged, air-to-air aftercooled, cooled EGR
Number of cylinders 6
Bore x stroke 4.21 x 4.88 in
Piston displacement 408 in³
Governor All-speed and mid-range, electronic
Horsepower:  
SAE J1995 - Gross 170 HP
ISO 9249 / SAE J1349 - Net 168 HP
Rated rpm 2,200 rpm
Fan drive type Hydraulic
Lubrication system:  
Method Gear pump, force lubrication
Filter Full-flow
*EPA Tier 4 Final emissions certified  

Hydrostatic transmission

Dual-path, hydrostatic transmission provides infinite speed changes up to 9.0 km/h 5.6 mph. The variable capacity travel motors allow the operator to select the optimum speed to match specific jobs. Travel control lock lever and neutral switch.

Travel speed (quick shift mode)* Forward Reverse
1st 0-2.1 mph 0-2.5 mph
2nd 0-3.5 mph 0-4.0 mph
3rd 0-5.6 mph 0-5.6 mph
Travel speed (variable mode) 0-5.6 mph 0-5.6 mph

*Quick shift speeds are adjustable in the monitor.

Final drive

In-shoe mounted axial piston type travel motors with integrated two-stage planetary gear reduction. Compact in-shoe mount reduces risk of damaged by debris. Bolt-on sprocket for easy displacement.

Steering system

PCCS joystick control for all directional movements. Pushing the joystick forward results in forward machine travel, while pulling it backward reverses the machine. Simply tilt the joystick to the left or right to make a turn. Tilting the joystick fully to the left or right activates counter-rotation. HST eliminates steering clutches and brakes, providing smooth powerful turns. Fully electronic control enables smooth control. The PCCS utilizes shift buttons to increase and decrease speed.

Minimum turning radius 83 in

Undercarriage

Suspension: Oscillating-type with equalizer bar and pivot shafts

Track roller frame: Monocoque, large section, durable construction

Rollers and idlers: Lubricated track rollers

Lubricated tracks
Parallel Link Undercarriage System (PLUS) with lubricated rotating bushings for extended system wear life and lower maintenance costs. Track tension is easily adjusted with grease gun.

Number of track rollers (each side) 8
Type of shoes (standard) Single grouser
Number of shoes (each side) 46
Grouser height 2.3 in
Shoe width (standard) 24
Ground contact area 5,887 in²
Ground pressure
(with dozer, ROPS canopy):
6.27 psi
Track gauge 6 ft. 3 in
Length of track on ground 10 ft. 5 in

Service refill capacities

Coolant 11.9 US gal
Fuel tank 98.3 US gal
Engine oil 7.2 US gal
Hydraulic tank 26.7 US gal
Final drive (each side) 2.2 US gal
DEF tank 5.4 US gal

Operating weight (approximate)

Tractor weight:
Including ROPS (ISO 3471) cab, C frame for PAT dozer, rated capacity of lubricant, coolant, full fuel tank, operator and standard equipment.38,647 lbs.Operating weight:
Including PAT dozer, ROPS (ISO 3471) cab, operator, standard equipment, rated capacity of lubricant, coolant and full fuel tank.40,830 lbs.

Hydraulic system

Closed-center Load Sensing System (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.

Hydraulic control unit:
All spool control valves externally mounted remote to the hydraulic tank. Piston-type hydraulic pump with capacity (discharge flow) of 171 ltr/min / 45 U.S. gal/min at rated engine rpm.

Relief valve setting 3,974 psi
Hydraulic cylinders Double-acting, piston type
Hydraulic cylinders / Number of cylinders Bore
Blade lift / 2 3.9 in
Blade tilt / 1 4.7 in
Blade angle / 2 4.3 in
Hydraulic oil capacity (refilling):  
Power angle tilt dozer 26.7 US gal
Control valves:  
3-spool control valve for Power Angle Tilt dozer  
Positions:  
    Blade lift Raise, hold, lower, and float
    Blade tilt Right, hold, and left
    Blade angle Right, hold, and left
Additional control valve required for ripper  
Positions:  
    Ripper lift Raise, hold, and lower
  • Accumulator for Electric Proportional Control (EPC)
  • Air cleaner, dry, double element type with caution lamp on monitor
  • Air conditioner (A/C)
  • Air inlet
  • Alternator, 24 V/90 A
  • Back-up alarm
  • Batteries, large capacity 24 V/200 Ah
  • Cab accessories
    — 12 V × 2 power supply
    — Cup holder
    — Rear view mirror
    — Rear view monitor system (1 camera)
    — Bluetooth/USB compatible radio with remote AUX plug (3.5 mm)
  • Crankcase guard and underguard
  • Decelerator/brake pedal (Single pedal)
  • Electronically controlled Hydrostatic Transmission (HST) with quick-shift and variable speed settings
  • Electronic monitor panel with on-board diagnostics
  • Engine hood and side panels
  • Engine, KOMATSU SAA6D107E-3, gross output of 170 HP, direct injection, water-cooled turbocharged, air-to-air aftercooler, cooled EGR, EPA Tier 4 Final and EU Stage 4 emissions certified
  • Engine secondary shutdown switch
  • Equalizer bar grease port
  • Fan, hydraulic driven, electronic control
  • Filler cap locks and cover locks
  • Fluid sampling ports
  • Foot rest, high mounted
  • Fuel pre-filter (10 micron) and fuel filter (2 micron)
  • Grease gun holder
  • High altitude arrangement (No fuel adjustment up to 2300 m)
  • Horn
  • Hydraulics for PAT dozer
  • Hydraulics for rear equipment
  • Intake pipe with precleaner
  • Komatsu Diesel Particulate Filter (KDPF)
  • KOMTRAX Level 5.0
  • Large high-resolution LCD color monitor
  • LED worklights
  • Lunch box holder
  • Marks and plates, English
  • Operator Identification System
  • Palm Command Control System (PCCS) with electronic control for travel control
  • Palm Command Control System (PCCS) with EPC for blade control
  • Power turn with counter rotation
  • Pullhook, front
  • Radiator guard grid
  • Radiator reserve tank
  • Real-time DEF monitoring
  • Rear-hinged radiator guard
  • Reverse travel speed presets
  • ROPS cab
    Meets ISO 3471, SAE J/ISO 3471 ROPS standards, and ISO 3449 FOPS standard.
  • Seat belt, 3" retractable
  • Seat belt indicator
  • Seat, air suspension, fabric, heated, low back, headrest
  • Shovel holder
  • Starting motor, 24 V/5.5 kW
  • Selective Catalytic Reduction (SCR)
  • Self adjusting roller
  • Side by side rear mounted cooling package
  • Sprockets, bolt-on
  • Sprocket inner guard
  • Tie off points standard (ISO 14567)
  • Track roller guards, end section
  • Track shoe assembly (PLUS)
    —Sealed and lubricated
    D61EX-24: 24" single grouser shoe
    D61PX-24: 34" single grouser shoe
  • Triple labyrinth final drive shield design
  • Underguards, heavy duty
  • Engine
  • Transmission
  • Variable Geometry Turbocharger (VGT)
  • Water separator

* Dozer assembly and rear mounted equipment are not included in base machine standard equipment
** Cab meets ROPS and FOPS Level 2 standards

  • Dozer assembly
  • Drawbar, long type
  • Track roller guard, full length

Multi-shank ripper

  • Weight: 3,874 lb
  • Beam length: 7'1"
  • Maximum lift above ground: 1'8"
  • Maximum digging depth: 2'2"

SUPPORT YOU CAN COUNT ON

FINANCING

Financing can be a major advantage for your operation, enabling you to get the equipment and service you need with terms to fit your business needs. Take advantage of competitive and flexible financial tools with Komatsu Financial.

MY KOMATSU

Access and manage all your machine telematics data, parts manuals, service manuals, software and parts ordering information from a single source anywhere, anytime.

DON'T OVERLOOK THE UNDERCARRIAGE

Keeping the undercarriage in good working conditions cn significantly minimize repair expenses and lower per-hour operating costs.

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