komatsu D65E-12, D65P-12 SPECIFICATIONS

CRAWLER DOZER

Photo may include optional equipment

FLYWHEEL HORSEPOWER @ 1950 rpm
D65E-12 135 kW 180 HP
D65P-12 142 KW 190 HP

OPERATING WEIGHT:

D65E-12 19125 kg 42,160 lb
D65P-12 20185 kg 44,500 lb

WITH STEERING CLUTCH/BRAKE SYSTEM

2

Gull-wing engine side doors

for easy and safer servicing.

The Komatsu 6D125E-2 (for D65E) and
S6D125E-2 (for D65P) diesel engine provide

an output of 135 kW 180 HP (for D65E) and 142 kW
190 HP (for D65P) with excellent productivity.

High capacity

Semi-U Tilt dozer

(for D65E), Straight Tilt dozer (for
D65P), combined the highest power in

its class with outstanding productivity.

Komatsu Torqflow transmission

offers single lever control of speed (3 forward
and 3 reverse) and directional changes.

Left hand

joystick controls all

tractor motion. Right hand joystick
controls all blade movements.

D65E-12, D65P-12 Crawler Dozer

Blade tilt lines

completely protected.

Forward mounted

pivot

shafts isolate final drives

from blade loads.

W

ALK

-A

ROUND

W

ALK

-A

ROUND

FLYWHEEL HORSEPOWER

@ 1950 rpm

D65E-12 135 kW 180 HP
D65P-12 142 kW 190 HP

OPERATING WEIGHT

D65E-12: 19125 kg 42,160 lb
D65P-12: 20185 kg 44,500 lb

BLADE CAPACITY

Semi-U Tilt Dozer:

D65E-12: 5.61 m

3

7.34 yd

3

Straight Tilt Dozer

D65E-12: 3.89 m

3

5.09 yd

3

D65P-12: 3.69 m34.83 yd

3

D65E/P

CRAWLER DOZER

3

Electronic Monitoring System prevents

minor problems from developing into major ones.

Optional hexagonal, low noise cab

with viscous damping mounts provides unsurpassed
operator comfort and visibility.

Wet, multiple-disc brakes

eliminates brake-band adjustments
for maintenance-free operation.

Modular power train for increased

serviceability and durability.

Bolt-on segmented sprocket teeth

for easy in-the-field replacement

Photo may include optional equipment.

Electronic Monitoring
System

An electronic monitoring
system prevents minor
problems from developing into
major ones. All meters and
gauges are controlled by a
microcomputer, which provides
a wide indication range for an easier, more
precise reading.

Low-Noise Design

For smoother riding comfort, power train components and

hydraulic control valves are mounted to the frame with

rubber pads to soften vibration and shut out noise.

Since the D65 employs joysticks, the walk-through

operator compartment is uncluttered for smooth entry

and exit. An adjustable seat with backrest is standard

equipment.

Three-stage height adjustable armrests

Three-stage height adjustable arm rests and relocated fuel

control lever provide

comfortable operation and

increased leg space.

Hexagonal Pressurized Cab (Optional)

Air filters and a higher internal air pressure combine to

prevent external dust from entering the cab. In addition, the

cab’s hexagonal design provides excellent front, side, and

rear visibility. The viscous damper cab suspension softens

shocks for operator comfort and extends component life.

Easy-to-Operate Work Equipment Control Lever

With the Closed-center Load Sensing (CLSS) hydraulic
system, blade lever stroke is directly proportional with blade
speed, regardless of the load and travel speed. This results
in superb, fine controllability.

Benefits of CLSS

● More precise and responsive operation due to the
pressure compensation valve.

● Reduced fuel consumption by discharging only the
required amount of oil from the pump.

● The work equipment moves smoothly for operations such
as side-cutting even when priority is given to steering.

4

All steering, direction, and speed changes are made by a left-hand single joystick control. If the operator wants to

move the machine forward and to the left, he simply moves the joystick forward and to the left. If he desires a gear change,

he merely twists his wrist. The machine responds to the movement of the lever providing the operator with the feeling of

natural control with Komatsu’s joystick.

Cylinder

Unload
valve

Tank

Cylinder

Unload
valve

Tank

PPC

PPC

CLSS for D65E-12 and D65P-12

Steering
Functions

Forward and
reverse

Right and left
steering

First, to second,
to third shifting

Left Hand

Right Hand

Blade
Functions

Lifting and
lowering

Tilting

O

PERATOR

’

S

C

OMPARTMENT

O

PERATOR

’

S

C

OMPARTMENT

Photo may include optional equipment.

Field-Proven Engine

Powerful S6D125E-2 (D65P) and 6D125E-2 (D65E) diesel

engines provide a massive output of 142 kW 190 HP (D65P)

and 135 kW 180HP (D65E). The engine power is

transmitted smoothly to the final drives via a high-efficiency

torque converter.

Modular Designed Power Train Units

The modular design allows easy removal and installation of

any individual unit for shorter downtime.

Flat Bottom Frame

A flat bottom frame, the monocoque track frames and

forward-mounted pivot shafts provide good maneuverability

in muddy terrain by preventing mud from building up under

the frame.

Sturdy Design

Because fewer components mean greater reliability, we’ve

designed a simple hull frame made of a thick, single plate.

Track frames have a large-section construction for maximum

rigidity. Even the box-section construction of the blade back

beam is reinforced, all with durability in mind.

D65E/P

CRAWLER DOZER

R

ELIABILITY

F

EATURES

R

ELIABILITY

F

EATURES

5

Tough Undercarriage

Large-diameter bushings, increased track link heights, and

improved oil-seals help to increase undercarriage durability.

Serviceability has also been improved with the addition of

remote greasing of the equalizer bar center pin.

Low Drive and Long Track Undercarriage

Komatsu’s design is extraordinarily tough and offers

excellent grading ability and stability.

Wet, Multiple-Disc Brakes

Eliminate brake-band adjustments for

maintenance-free operation.

Coolant Reservoir

A radiator coolant reservoir

makes it easier to check the

coolant level and eliminates

frequent refilling.

Oil Pressure Check Ports (optional)

Oil pressure check ports for the power train

are centralized on the right hand side of the

operator platform for easy access.

Gull-Wing Engine Side Covers
(optional)

A gas-spring cylinder opens the gull-wing

engine side covers widely, allowing the engine

and auxiliary components to be easily

checked.

E

ASY

M

AINTENANCE

E

ASY

M

AINTENANCE

Engine

Hull frame

Power train unit

Final drive

Pivot shaft

Track frame

Shoe

ENGINE

Model:

D65E-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu 6D125E-2

D65P-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu S6D125E-2

Type . . . . . . . . . . . . . . . 4-stroke cycle, water-cooled, direct injection

Aspiration:

D65E-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Natural aspiration

D65P-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Turbocharged

Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 mm 4.92"

Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 mm 5.91"

Piston displacement. . . . . . . . . . . . . . . . . . . . . . . . . 11.04 ltr 674 in

3

Net flywheel horsepower*:

D65E-12 . . . . . . . . . . . . . . . . . . . . . 135 kW 180 HP @ 1950 rpm

D65P-12 . . . . . . . . . . . . . . . . . . . . . 142 kW 190 HP @ 1950 rpm

Net maximum torque:

D65E-12. . . . . . . . . . . . 799 N•m 81.5 kg•m 589 lb ft @ 1100 rpm

D65P-12 . . . . . . . . . . . . 981 N•m 100 kg•m 723 lb ft @ 1200 rpm

Direct injection fuel system. All-speed mechanical governor. Forced
lubrication driven by gear pump. Full-flow for lube purification.
Dry-type air cleaner with automatic dust evacuator and dust
indicator. 7.5 kW/24V electrical starter motor. 35 A/24V alternator.
140 Ah/2 x 12V batteries.

* Net flywheel horsepower output for standard engine (SAE J1349)

including air cleaner, alternator (not charging), water pump, lubricating

oil pump, fuel pump, muffler, and fan.

TORQFLOW TRANSMISSION

Komatsu’s TORQFLOW transmission consists of a water-cooled,
3-element, 1-stage, 1-phase torque converter and a planetary gear,
multiple-disc clutch transmission which is hydraulically actuated and
force-lubricated for optimum heat dissipation. Joystick control of
gears (3 forward and 3 reverse) and directional steering changes.
Gearshift lock lever and neutral safety switch prevent machine
from accidental starts.

6

FINAL DRIVE

Double-reduction final drives of spur gear and planetary gears to
minimize transmission of shocks to power train components.
Segmented sprocket are bolt-on for easy in-the-field replacement.

STEERING

Joystick controls for all directional movements. Pushing the joystick
forward results in forward machine travel, while pulling it rearward
reverses the machine. Simply tilt the joystick to the left to make a
left turn. Tilt it to the right for a right turn.

Wet, multiple-disc steering clutches are hydraulically loaded and
hydraulically released. Wet, multiple-disc brakes are spring-actuated
and hydraulically released. Steering brakes also function as service
and parking brakes.
Minimum turning radius*:

D65E-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 m 10'6"

D65P-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6 m 11'11"

*As measured by track marks on ground.

UNDERCARRIAGE

Suspension . . . . . . . . . . . . . . . . . . . . . Oscillation with equalizer bar

and forward mounted pivot shafts

Track roller frame. . . . . . . . . . . . . . . . . . . Monocoque, large section,

durable construction

Number of carrier rollers (each side) . . . . . . . . . . . . . . . . . . . . . . . . 2

Track shoes . . . . . . . . . . . . . . . Lubricated tracks. Unique dust seals

for preventing entry of foreign abrasives into

pin-to-bushing clearances for extended service.

Track tension is easily adjusted with a grease gun.

Travel speed Forward Reverse

1st 0–3.9 km/h 0–2.4 mph 0–5.0 km/h 0–3.1 mph

2nd 0–6.8 km/h 0–4.2 mph 0–8.6 km/h 0–5.3 mph

3rd 0–10.6 km/h 0–6.6 mph 0–13.4 km/h 0–8.3 mph

D65E-12

Number of track rollers (each side) 7
Number of shoes (each side) 39
Grouser height mm in 65 2.6"
Shoe width (standard) mm in 510 20.1"
Ground contact area cm

2

27285

in

2

4,230

Ground pressure kPa 55.9
(Tractor) kgf/cm

2

0.57

psi 8.11

Track gauge mm in 1880 6'2"
Length of track on ground mm ft.in 2675 8'9""

0

14

12

10

8

6

42

km/h

0

10

30

20

MPH

0 8642

0

40

80

120

280

160

320

200

240

0

8

16

24

56

32

64

40

48

Drawbar pull

Travel speed

lb x 10

3

kg x 10

3

kN

F1

F3

F2

D65E/P-12

Power Shift

DRAWBAR PULL VS. SPEED.

MAXIMUM USABLE PULL DEPENDS ON

TRACTION AND WEIGHT OF TRACTOR

INCLUDING MOUNTED EQUIPMENT.

D65E/P

CRAWLER DOZER

D65P-12

Number of track rollers (each side) 8
Number of shoes (each side) 45
Grouser height mm in 65 2.6"
Shoe width (standard) mm in 915 36.0"
Ground contact area cm

2

60115

in

2

9,318

Ground pressure kPa 27.5
(Tractor) kgf/cm

2

0.28

psi 3.98

Track gauge mm in 2050 6'9"
Length of track on ground mm ft.in 3285 10'9"

D65E-12

D65P-12

S

PECIFICATIONS

S

PECIFICATIONS

3

kN

lb x 10

320

64

280

56

240

48

200

40

160

32

Drawbar pull

120

24

80

16

40

8

0

0

3

kg x 10

30

20

10

0

0

0 8642

F1

2

F2

4

Travel speed

F3

10

86

14

12

km/h

MPH

7

DIMENSIONS

G.L.

D65E-12 D65P-12

A 5440 mm 17'10" 5520 mm 18'1"
B 1880 mm 6'2" 2050 mm 6'9"
C 3165 mm 10'5" 3165 mm 10'5"
D 2990 mm 9'10" 2990 mm 9'10"
E 2675 mm 8'9" 3285 mm 10'9"
F 510 mm 20.1" 915 mm 36.0"
G 65 mm 2.6" 65 mm 2.6"
H 1270 mm 4'2" 1270 mm 4'2"

H* 1830 mm 6'0" 1830 mm 6'0"

I 1490 mm 4'11" 1490 mm 4'11"

I* 1600 mm 5'3" 1600 mm 5'3"

J 2300 mm 7'7" 2300 mm 7'7"
K 1220 mm 4'0" N/A
L 2170 mm 7'1" N/A

M 950 mm 3'1" N/A

Dimension with semi-U dozer and multi-shank ripper (D65E) and straight tilt dozer (D65P).

*ROPS canopy without cab.

COOLANT AND LUBRICANT

CAPACITY

(REFILLING)

Coolant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 ltr 13.7 U.S. gal

Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406 ltr 107.3 U.S. gal

Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 ltr 10.0 U.S. gal

Damper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7 ltr 0.4 U.S. gal

Transmission, bevel gear,

and steering system . . . . . . . . . . . . . . . . . . . 48 ltr 12.7 U.S. gal

Final drive (each side)

D65E-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 ltr 6.3 U.S. gal

D65P-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ltr 7.1 U.S. gal

OPERATING WEIGHT (APPROXIMATE)

Tractor weight:

Including rated capacity of lubricant, coolant, full fuel tank, operator
and standard equipment.

D65E-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15620 kg 34,440 lb

D65P-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16940 kg 37,350 lb

Operating weight:

Including semi U-tilt dozer (E) or straight tilt dozer (P), ROPS canopy,
steel cab, operator, standard equipment, rated capacity of lubricant,
coolant, and full fuel tank.

D65E-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19125 kg 42,160 lb

D65P-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20185 kg 44,500 lb

Ground clearance . . . . . . . . . . . . . . . .405 mm 1'4"

I, I*

D

G.L.

B

F

H, H*

J

E

A

G

K

C

M

M

L

FVD00585

8

Overall Length Blade Blade Max. Lift Max. Drop Max. Tilt Additional Weight

With Dozer

Capacity*

Width x Height Above Ground Below Ground Adjustment

Hydraulic control unit

mm ft.in m3 yd3mm ft.in mm ft.in mm ft.in mm ft.in kg lb

D65E-12 5440 5.61 3460 x 1425 1105 440 465 2280 600

10.8/0.11/1.56

Semi-U Tilt Dozer 17'10" 7.34 11'4" x 4'8" 3'8" 1'5" 1'6" 5,030 1,320

D65E-12 5260 3.89 3415 x 1225 1105 440 460 2000 600

9.8/0.10/1.42

Straight Tilt Dozer 17'3" 5.09 11'2" x 4'0" 3'8" 1'5" 1'6" 4,410 1,320

D65E-12 5470 3.55 3970 x 1100 1185 450 400 2280 540

10.8/0.11/1.56

Angle Dozer 17'11" 4.64 13'0" x 3'7" 3'11" 1'6" 1'4" 5,030 1,190

D65P-12 5520 3.69 3970 x 1100 1105 540 450 2030 590

3.9/0.04/0.57

Straight Tilt Dozer 18'1" 4.83 13'0" x 3'7" 3'8" 1'9" 1'6" 4,480 1,300

DOZER EQUIPMENT

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 beside the hydraulic
tank.
Type of pump:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear pump

Capacity (discharge flow at rated engine rpm):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 ltr/min 47.6 U.S. gal/min

Relief valve setting . . . . . . . . . . . . . 20.6 MPa 210 kgf/cm22,990 psi

Hydraulic cylinders . . . . . . . . . . . . . . . . . . . . Double-acting, piston

Control valves:

Spool control valve for semi-U tilt dozer and straight tilt dozer.

Positions:

Blade lift . . . . . . . . . . . . . . . . . . . . Raise, hold, lower, and float

Blade tilt . . . . . . . . . . . . . . . . . . . . . . . . . . . Right, hold, and left

Spool control valve for angle dozer.

Positions:

Blade lift . . . . . . . . . . . . . . . . . . . . Raise, hold, lower, and float

Additional control valve for multi-shank ripper

Positions:

Ripper lift . . . . . . . . . . . . . . . . . . . . . . . . Raise, hold, and lower

Hydraulic oil capacity (refilling):

Semi-U tilt dozer. . . . . . . . . . . . . . . . . . . . . . 55.0 ltr 14.5 U.S. gal

Straight tilt dozer . . . . . . . . . . . . . . . . . . . . . 55.0 ltr 14.5 U.S. gal

Angle tilt dozer . . . . . . . . . . . . . . . . . . . . . . . 55.0 ltr 14.5 U.S. gal

Multi-shank ripper. . . . . . . . . . . . . . . . . . . . . 55.0 ltr 14.5 U.S. gal

Use of high tensile strength steel in moldboard for strengthened blade construction.

Number of cylinders Bore

Blade lift 2 95 mm 3.74"
Blade tilt 1 140 mm 5.51"
Ripper lift 1 140 mm 5.51"

Remarks:

*: Blade capacities are based on the SAE recommendation practice J1265.

STANDARD EQUIPMENT FOR BASE MACHINE

● Air cleaner, double element with
dust indicator

● Alternator, 35 ampere

● Batteries, 140 Ah/2 x 12V

● Blower cooling fan

● Decelerator pedal

● Electronic instrument monitor panel

● Engine hood

● Fenders

● Lighting system, (includes 2 front, 1 rear)

● Mono-lever steering

● Muffler with curved exhaust pipe

● Radiator guard door, flat

● Radiator reserve tank

● Rear cover

● ROPS mounting brackets

● Starting motor, 7.5 kW/24V

● Wet, multiple-disc steering clutch/brake

● Seat, adjustable

● Track roller guard, center section (P)

● Track roller guard, end sections (E)

● Track shoe assembly

—Heavy-Duty sealed and lubricated track

● 510 mm 20" single grouser
shoe (E)

● 915 mm 36.0" single grouser
shoe (P)

● Underguards, oil pan and transmission

Dozer

equipment

kg lb

Additional

Ground

Pressure

kPa kgf/cm2psi

OPTIONAL EQUIPMENT

● Air conditioner

● AR track assembly (abrasion

resistant bushings)

● Backup alarm

● Cab

● Cab accessories

—Cup holder
—Lunch box holder
—Rear view mirror

● Cooling fan, reversible

● Engine side covers, gull-wing

● Front pull hook

● Hitch type drawbar

● Heater and defroster

● High mount foot rests

● Hydraulics for ripper (E)

● Hydraulics for tilt dozer

● Intake pipe with precleaner

● Light working, cab additional

● Locks, filler caps and covers

● Pressure check ports for power train

● Radiator core protective grid

● Rigid type drawbar

● ROPS canopy

● ROPS canopy with sweep

● Seat belt, retractable

● Suspension seat, with high-back

● Suspension seat, reclining with

fabric material (cab only)

● Track roller guard, full length

● Underguard, heavy-duty

● Vandalism protection cover

for instrument panel

● Water separator

ROPS CANOPY

● Additional weight 420 kg 930 lb

● Meets ISO 3471 and SAE J1040 APR88

ROPS standards, and ISO 3449 FOPS
standard.

● Roof dimensions:

—Length: 1830 mm 6'0"
—Width: 1600 mm 5'3"
—Height from operator compartment

floor: 1700 mm 5'7"

Additional ground pressure

D65E 1.5 kPa/0.015 kgf/cm2/0.21 psi
D65P 0.7 kPa/0.007 kgf/cm2/0.10 psi

STEEL CAB

● Additional weight 285 kg 630 lb

● All-weather, enclosed pressurized cab

● Dimensions:

—Length: 1765 mm 5'9"
—Width: 1720 mm 5'8"
—Height: 1625 mm 5'4"
—Height from floor to ceiling:

1515 mm 5'0"

Additional ground pressure

D65E 1.0 kPa/0.010 kgf/cm2/0.14 psi
D65P 0.6 kPa/0.006 kgf/cm2/0.09 psi

MULTI-SHANK RIPPER
(for D65E)

● Additional weight (including hydraulic
control unit): 1680 kg 3,700 lb

● Beam length: 2170 mm 7'1"

●

Maximum digging depth: 595 mm 1'11"

●

Maximum lift above ground: 640 mm 2'1"

Additional ground pressure

5.9 kPa/0.06 kgf/cm2/0.85 psi

ROPS CANOPY FOR CAB

● Additional weight 340 kg 750 lb

● Meets ISO 3471 and SAE J1040 APR88

ROPS standards, and ISO 3449 FOPS
standard.

● Roof dimensions:

—Length: 1270 mm 4'2"
—Width: 1490 mm 4'11"
—Height from operator compartment

floor: 1705 mm 5'7"

D65E 1.2 kPa/0.012 kgf/cm

2

/0.17 psi

D65P 0.6 kPa/0.006 kgf/cm2/0.09 psi

Models Shoe Additional weight

Ground contact Additional ground

area pressure to tractor

560 mm 22.0"

+120 kg 29960 cm

2

-3.9 kPa

single-grouser

+260 lb 4,644 in

2

-0.04 kgf/cm

2

shoe -0.57 psi

610 mm 24.0"

+230 kg 32635 cm

2

-7.8 kPa

D65E single-grouser

+510 lb 5,058 in

2

-0.08 kgf/cm

2

shoe -1.14 psi

660 mm 26.0"

+360 kg 35310 cm

2

-11.8 kPa

single-grouser

+790 lb 5,473 in

2

-0.12 kgf/cm

2

shoe -1.71 psi

950 mm 37.4"

+50 kg 62420 cm

2

-1.0 kPa

D65P circular-arc

+110 lb 9,675 in

2

-0.01 kgf/cm

2

shoe -0.14 psi

SHOES

D65E/P

CRAWLER DOZER

9

HESS143108 Printed in Japan 200305 IP.AD (15)

www.Komatsu.com Materials and specifications are subject to change without notice

is a trademark of Komatsu Ltd. Japan