Komatsu 6D105 Series Diesel Engine Shop Manual - PDF DOWNLOAD

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6D105

GENERAL

SPECIFICATIONS

GENERAL

SPECIFICATIONS

GENERAL

SPECIFICATIONS

GENERAL

SPECIFICATIONS

GENERAL

SPECIFICATIONS

GENERAL

SPECIFICATIONS

Engine model

S6D105-1

S6D105-1

S6D105-1

Mounted machine

GD611A-1

GD661A-1

GD521A-1 GD521R-1 GD523A-1

No. of cylinders – Bore x Stroke

(mm)

Piston displacement

(cc)

6 – 105 x 125 6,490

PERFORMANCE

DIMENSIONS

Firing order

1 – 5 –– 3 – 6 – 2 – 4

Over length (Fan to flywheel housing)

(mm)

1,290

1,251

1,265

Overall width

(mm)

718

718

718

Over height (Muffler to oil pan)

(mm)

1,236

1,236

1,236

Flywheel horsepower

kW/rpm (HP/rpm)

122/2,500 (164/2,500)

141/2,500 (189/2,500)

107/2,500 (143/2,500)

Max. torque

Nm/rpm (kgm/rpm)

539/1,550 (55/1,550)

539/1,550 (55/1,550)

509/1,550 (51.9/1,550)

High idling speed

(rpm)

2,650 – 2,750

2,650 – 2,750

2,650 – 2,750

Low idling speed

(rpm)

750 – 850

750 – 850

750 – 850

Min. fuel consumption ratio

g/kWh (g/HP.h)

213 (157)

213 (157)

215 (158)

615

615

615

Dry weight

(kg)

Fuel

ASTM D975 No. 1 and No. 2

Fuel pump

Bosch type PE-A

Governor

Bosch RSV centrifugal, all speed type

Oil capacity

(l)

Coolant capacity (Engine only)

(l)

Alternator (if equipped) Starting motor Battery

Turbocharger

Air compressor

01-011-1 (9)

24 (23)

40 (12)

43.5 (12)

35.2 (12)

24V, 25A (35A, 50A, 75A)

24V, 25A (35A, 50A)

24V, 25A

24V, 5.5kW

24V, 5.5kW

24V, 5.5kW

24V (12V x 2) – 110Ah

24V (12V x 2) – 110Ah

24V (12V x 2) – 110Ah

T04B

T04B

T04B

—

—

—

6D105

GENERAL

PERFORMANCE CURVE

S6D105-1 for GD521A-1, GD521R-1, GD523A-1 Flywheel horsepower:

107 kW (143 HP)/2,500 rpm

Max. torque:

509 Nm (51.9 kgm)/1,550 rpm

01-050 (9)

6D105

GENERAL

PERFORMANCE CURVE

S6D105-1 for GD611A-1 Flywheel horsepower:

122 kW (164 HP)/2,500 rpm

Max. torque:

539 Nm (55 kgm)/1,550 rpm

6D105

01-051 (9)

GENERAL

PERFORMANCE CURVE

S6D105-1 for GD661A-1 Flywheel horsepower:

141 kW (189 HP)/2,500 rpm

Max. torque:

539 Nm (55 kgm)/1,550 rpm

01-052 (9)

6D105

STRUCTURE AND FUNCTION

ELECTRICAL SYSTEM

· Built in safety relay

a

The shape is subject to machine models.

E: To chassis ground R: To alternator terminal R S: To starting switch terminal C 1.

2.

3.

4.

5.

6.

7.

Pinion gear Starting motor assembly Magnetic switch Terminal B Terminal C Safety relay

Engine

Machine model

S6D105-1

GD521A-1, GD521R-1, GD523A-1, GD611A-1, GD661A-1

6D105

8.

Type

Nikko Denki Water and oil proof type

External connection diagram (2-pole connector type) 7A. Safety relay section 7B. Starting motor section Jump start prohibition label

Specifications

Number of pinion teeth

Weight (kg)

Type of connector

24V, 5.5 kW

13

11

C

11-068-1 (9)

Machine Model

Engine Model

Injection Pump Type

Pump Manufacturer

GD521A-1 GD521R-1 GD523A-1

S6D105-1

PE6A

BOSCH

Pump Assembly Number 6137-72-1431(101609-3030)

Injection Timing Unit

Basis

Allowance

Rotating direction

Clockwise viewed from drive end

Injection order

1–5–3–6–2–4

Injection interval

60°

59° 30’ to 60° 30’

Rated horsepower:

(kW{HP}/rpm)

107{143}/2,500

3.25 to 3.35

Maximum torque:

(Nm{kgm}/rpm)

509{51.9}/1,550

High idling:

rpm

2650 to 2750

Low idling:

rpm

750 to 850

Plunger pre-stroke

mm

3.3

Delivery valve retraction volume

mm3

59

Specification for engine with fan (reference only)

Calibration Standard Conditions

Manufacturer standard (with nearly the same actual machine parts)

Unit

Service standard (with calibration test parts)

Nozzle part No.

6137-12-3220 (105015-6130)

(105780-0000)

Nozzle holder part No. Injection pipe (O/D × I/D × length)

6136-12-3110 (105031-4480)

(105780-2080)

mm

6 × 2 × 550

ASTMD975 No.2 diesel fuel or equivalent

Test oil

°C

Oil temperature Nozzle opening pressure Transfer pump pressure

43 to 47

43 to 47

2

225

175

2

1.6

1.6

kg/cm

kg/cm

Specifications

Injection volume (cc/1000st) for service standard

Injection volume (cc/1000st) for manufacturer standard

Calibration basic point • Rack positions B to F are the reference volume when adjusting the injection volume.

• Marks a are average volumes

6 × 2 × 600

B

Rack Pump position speed (mm) (rpm)

Basis

10.9

1250

74.8

8.6

400

9.5

Allowance Each cyl. a

Maximum variance between cylinder

Basis

Allowance

61.2

Each cyl.

60.2 to 62.2

9.6

a

C

a

a

D

a

a

E

a

a

F

a

a

8.1 to 11.1

Maximum variance between cylinder ±2 ±10

Numbers in parentheses are pump manufacturer part numbers.

6D105

12-058-3 (9)

Machine Model

Engine Model

Injection Pump Type

Pump Manufacturer

GD611A-1

S6D105-1

PE6A

DIESEL KIKI

Pump Assembly Number 6137-72-1450 (101605-3350)

Injection Timing Unit

Basis

Allowance

Rotating direction

Clockwise viewed from drive end

Injection order

1–5–3–6–2–4

Injection interval

60°

59° 30’ to 60° 30’

Rated horsepower:

(kW{HP}/rpm)

122{164}/2,500

3.25 to 3.35

Maximum torque:

(Nm{kgm}/rpm)

539{55}/1,550

High idling:

rpm

2650 to 2750

Low idling:

rpm

750 to 850

Plunger pre-stroke

mm

3.3

Delivery valve retraction volume

mm3

59

Specification for engine with fan (reference only)

Calibration Standard Conditions

Manufacturer standard (with nearly the same actual machine parts)

Unit Nozzle part No.

6137-12-3220 (105015-6130)

Nozzle holder part No. Injection pipe (O/D × I/D × length)

6136-12-3110 (105031-4480) mm

6 × 2 × 550 ASTMD975 No.2 diesel fuel or equivalent

Test oil

°C

Oil temperature Nozzle opening pressure Transfer pump pressure

43 to 47 2

225

2

1.6

kg/cm

kg/cm

Specifications

Injection volume (cc/1000st) for service standard

Injection volume (cc/1000st) for manufacturer standard

Calibration basic point • Rack positions B to F are the reference volume when adjusting the injection volume.

• Marks a are average volumes

Service standard (with calibration test parts)

Rack Pump position speed (mm) (rpm)

Basis

11.2

78.0

1250

Allowance Each cyl.

Maximum variance between cylinder

Basis

Allowance

67.4

Each cyl.

66.4 to 68.4

B

8.6

400

9.5

a

9.6

a

C

12.9

400

92.0

a

56.7

a

D

a

a

E

a

a

F

a

a

8.1 to 11.1

Maximum variance between cylinder ±2 ±10

Numbers in parentheses are pump manufacturer part numbers.

12-058-4 (9)

6D105

Machine Model

Engine Model

Injection Pump Type

Pump Manufacturer

GD661A-1

S6D105-1

PE6A

BOSCH

Pump Assembly Number 6137-72-1440 (101605-3313)

Injection Timing Unit

Basis

Allowance

Rotating direction

Clockwise viewed from drive end

Injection order

1–5–3–6–2–4

Injection interval

60°

59° 30’ to 60° 30’

Rated horsepower:

(kW{HP}/rpm)

141{189}/2,500

3.25 to 3.35

Maximum torque:

(Nm{kgm}/rpm)

539{55}/1,550

High idling:

rpm

2650 to 2750

Low idling:

rpm

750 to 850

Plunger pre-stroke

mm

3.3

Delivery valve retraction volume

mm3

59

Specification for engine with fan (reference only)

Calibration Standard Conditions

Manufacturer standard (with nearly the same actual machine parts)

Unit

Service standard (with calibration test parts)

Nozzle part No.

6137-12-3220 (105015-6130)

(105780-0000)

Nozzle holder part No. Injection pipe (O/D × I/D × length)

6136-12-3110 (105031-4480)

(105780-2080)

mm

6 × 2 × 550

ASTMD975 No.2 diesel fuel or equivalent

Test oil

°C

Oil temperature Nozzle opening pressure Transfer pump pressure

43 to 47

43 to 47

2

225

175

2

1.6

1.6

kg/cm

kg/cm

Specifications

Injection volume (cc/1000st) for service standard

Injection volume (cc/1000st) for manufacturer standard

Calibration basic point • Rack positions B to F are the reference volume when adjusting the injection volume.

• Marks a are average volumes

6 × 2 × 600

B

Rack Pump position speed (mm) (rpm)

Basis

12.6

1240

93.8

8.4

435

13

Allowance Each cyl. a

Maximum variance between cylinder

Maximum variance between cylinder

Basis

Allowance

80.8

Each cyl.

79.8 to 81.8

±2

6.9 to 9.9

±10

8.4

a

C

a

a

D

a

a

E

a

a

F

a

a

Numbers in parentheses are pump manufacturer part numbers.

6D105

12-058-5 (9)

Engine model

Item

1

2

3

4

5

6

S6D105-1

Running time

(min)

5

10

10

15

15

5

(For GD521A-1,

Engine speed

(rpm)

800±50

1250

1600

2000

2300

2500

GD521R-1,

Load

N{kg}

0

78{8}

157{16}

294{30}

441{45}

568{58}

7.4{9.9}

19{25.2}

46{61.1}

GD523A-1)

Output

kW{HP}

0

76{102.1} 108{144.9}

S6D105-1

Running time

(min)

5

10

10

15

15

5

(For GD611A-1)

Engine speed

(rpm)

800±50

1250

1600

2000

2300

2500

Load

N{kg}

0

88{9}

167{17}

324{33}

481{49}

647{66}

8.3{11.1}

20{26.8}

49{65.1}

Output

kW{HP}

0

S6D105-1

Running time

(min)

5

10

10

15

15

5

(For GD661A-1)

Engine speed

(rpm)

800±50

1250

1600

2000

2300

2500

Load

N{kg}

0

88{9}

186{19}

343{35}

529{54}

754{77}

Output

kW{HP}

0

8.3{11.1}

22{30.0}

52{69.0}

6D105

83{111.1} 122{163.9}

91{122.5} 141{188.9}

12-077 (9)

Engine model

Test item

Specified valve (Gross value)

Engine speed (rpm)

Dynamometer load N (kg)

Axial output (Gross value) kW {HP}

107 kW/2500 rpm {143 HP/2500 rpm}

2500 ± 5

553 – 584 {56.4 – 59.6}

104 – 110 {139 – 147}

509 Nm/1550 rpm {51.9 kgm/1550 rpm}

1550 ± 100

688 – 732 {70.2 – 74.7}

—

S6D105-1

Flywheel horsepower

(For GD521A-1,

Maximum torque

GD521R-1,

High idling

2700 ± 50 rpm

2700 ± 50

0

0

GD523A-1)

Low idling

800 ± 50 rpm

800 ± 50

0

0

S6D105-1

Flywheel horsepower

122 kW/2500 rpm {164 HP/2500 rpm}

2500 ± 5

633 – 669 {64.6 – 68.3}

119 – 126 {159.5 – 168.5}

(For GD611A-1)

Maximum torque

539 Nm/1550 rpm {55 kgm/1550 rpm}

1550 ± 100

731 – 774 {74.6 – 79.0}

—

High idling

2700 ± 50 rpm

2700 ± 50

0

0

Low idling

800 ± 50 rpm

800 ± 50

0

0

S6D105-1

Flywheel horsepower

141 kW/2500 rpm {189 HP/2500 rpm}

2500 ± 5

729 – 772 {74.4 – 78.8}

137 – 145 {183.4 – 194.3}

(For GD661A-1)

Maximum torque

539 Nm/1550 rpm {55 kgm/1550 rpm}

1550 ± 100

754 – 846 {76.9 – 86.3}

—

High idling

2700 ± 50 rpm

2700 ± 50

0

0

Low idling

800 ± 50 rpm

800 ± 50

0

0

12-083-1 (9)

6D105

Torque (Gross value) Nm {kgm}

Fuel consumption (sec/200 cc)

Coolant temperature (°C)

Lube oil temperature (°C)

Lube oil pressure kPa {kg/cm2}

Exhaust temperture (°C) t = Air intake temp. –20°C

—

22.0 – 23.3

70 – 80

90 – 110

340 – 640 {3.5 – 6.5}

Max. 650

493 – 525 {50.3 – 53.5}

—

70 – 80

90 – 110

—

Max. 650

0

—

70 – 80

90 – 110

—

—

0

—

70 – 80

Min. 80

MIn. 150 {Min. 1.5}

—

—

19.1 – 20.0

70 – 80

90 – 110

340 – 640 {3.5 – 6.5}

Max. 650

524 – 555 {53.4 – 56.6}

—

70 – 80

90 – 110

—

Max. 650

0

—

70 – 80

90 – 110

—

—

0

—

70 – 80

Min. 80

MIn. 150 {Min. 1.5}

—

—

16.3 – 17.2

70 – 80

90 – 110

340 – 640 {3.5 – 6.5}

Max. 650

539 – 606 {55.0 – 61.8}

—

70 – 80

90 – 110

—

Max. 650

0

—

70 – 80

90 – 110

—

—

0

—

70 – 80

Min. 80

MIn. 150 {Min. 1.5}

—

6D105

12-083-2 (9)

12-088

6D105

6D105

12-089