The D39-22 is the next addition to an all new HST dozer line based on the D51-22 design concepts. Some of these concepts include Super-slant nose, large mid-mount cab, and durable construction.

All-around Visibility
• Super-slant nose design
• Cab-forward design
• Integrated ROPS/FOPS (Level 2)

Increased Productivity
• Highest HP in its class
• Electronically-controlled hydraulically-driven fan
• Rigid track frame with in-shoe final drive
• High capacity Power Angle Tilt dozer blade
• Adjustable blade pitch

Easy Operation/Increased Operator Comfort
• Hydrostatic Transmission (HST) with electronic control
• Palm Command Control System (PCCS)
• New cab damper mounting system
• Large and quiet pressurized cab (optional)

Improved Durability
• Large undercarriage components
• Heavy-plate steel used throughout
• Dozer frame with steel castings
• Strong modular design
• New heavy duty HST components

Easy Maintenance
• Electronic monitor panel with onboard diagnostics
• Rear-mount radiator with swing-up electronically-controlled hydraulically-driven fan
• Ground-level daily service checks
• KOMTRAX^®

KOMTRAX^® equipped machines can send location, SMR and operation maps to a secure website utilizing wireless technology. Machines also relay error codes, cautions, maintenance items, fuel levels, and much more.

ENGINE AND RELATED ITEMS

• Air cleaner, dry, double element type with caution lamp on monitor

• Decelerator pedal

• Engine, KOMATSU SAA4D107E-1, net output of 79 kW 105 HP direct injection, turbocharged, air-to-air aftercooler, EPA Tier 3 emissions certified

• Fan, hydraulic driven, electronic control, reversible for cleaning

• Fuel pre-filter (10 micron) and fuel filter (2 micron)

• Grid heater

• Intake pipe with precleaner

• Radiator mask grid

• Radiator reserve tank

• Water separator

ELECTRIC SYSTEM

• Alternator, 35 amp (24 V)

• Back-up alarm

• Batteries, large capacity 92 Ah

• Starting motor, 5.5 kW

POWER TRAIN AND CONTROLS

• Brake pedal

• Counter rotation

• Electronically controlled Hydrostatic Transmission (HST) with Quick-shift and variable speed settings

• Palm Command Control System (PCCS) with electronic control for travel control

• Reverse speed presets

UNDERCARRIAGE

• Idler

• Sprockets, bolt-on, solid type

• Track roller guards, end sections

• Track shoe assembly w/sealed and lubricated link assembly:
—460 mm / 18.1" single grouser shoes

GUARDS AND COVERS

• Crankcase guard and underguard

• Engine hood and side panels

• ROPS/FOPS*

• Sprocket inner guard OPERATOR ENVIRONMENT • Seat, suspension type • Electronic monitor panel with on-board diagnostics • Foot rests, high mounted • Horn

• Seat belt, 76 mm / 3" wide retractable

HYDRAULICS AND CONTROLS

• Accumulator for Proportional Pressure Control (PPC)

• Hydraulics for PAT dozer

• Palm Command Control System (PCCS) with Proportional Pressure Control (PPC) for blade control

VANDALISM PROTECTION

• Filler cap locks and cover locks

• Instrument panel lock and cover (canopy only)

OTHER STANDARD EQUIPMENT

• Grease gun holder

• High altitude arrangement (no fuel adjustment up to 2300 m / 7,546 ft)

• KOMTRAX^® function Level 2+

• Lighting package - (3 front, 1 rear cab/canopy)

• Marks and plates, English

• Pullhook, front

TRACK SHOE ASSEMBLY WITH SEALED AND LUBRICATED LINK ASSEMBLY

• D39EX-22
- 510 mm / 20' single grouser

TRACK RAIL ASSEMBLY WITH ABRASION RESISTANT (AR) BUSHINGS AND SEALED AND LUBRICATED LINK ASSEMBLY

• D39EX-22
- 460 mm / 18.1' single grouser, AR link with AR bushings
- 510 mm / 20' single grouser, AR link with AR bushings

DOZER ASSEMBLY

• Variable pitch, power angle tilt dozer assembly, inside arms
- 2710 mm / 8' 11' width blade

TRACK ROLLER GUARDS

• Track roller guards, full length

HITCH

• Standard type

ELECTRIC SYSTEM

• Alternator, 60 amp (24 V)

REAR EQUIPMENT AND HYDRAULICS

• Ripper, multi-shank (D39EX-22 only)

• Rear, hydraulics

ROPS CANOPY

• ROPS canopy with lower heater

• Lunchbox holder

• Seat, suspension type, vinyl

ROPS CAB

• ROPS cab (includes air conditioner with heater, defroster, pressurizer, cup holder, lunchbox holder, radio, AM/FM, cassette, cigarette lighter (24 V), 12 amp (12 V) power port)

• Seat, suspension type, vinyl

• Seat, suspension type, fabric

• Seat, air suspension type, fabric

OPERATOR ENVIRONMENT

• Forestry guards for cab and canopy

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