Komatsu PC1250 - Brochure Download Page 8

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LIFTING CAPACITY

LOADING SHOVEL WORKING RANGE AND BUCKET SELECTION

LOADING SHOVEL DIMENSIONS

PC1250-8

Equipment:

Boom: 

9.1 m

29'10"

Arm: 

3.4 m

11'2"

Bucket: 

5.0 m

3

6.5 yd

3

Bucket weight: 

4400 kg

9700 lb

Track shoe width: 

700 mm

28"

A: Reach from swing center
B: Bucket hook height
C: Lifting capacity

Cf: Rating over front

Cs: Rating over side

: Rating at maximum reach

B

A

C

PC1250-8

Equipment:

Boom: 

9.1 m

29'10"

Arm: 

4.5 m

14'9"

Bucket: 

4.0 m

3

5.2 yd

3

Bucket weight: 

3800 kg

8380 lb

Track shoe width: 

700 mm

28"

A: Reach from swing center
B: Bucket hook height
C: Lifting capacity

Cf: Rating over front

Cs: Rating over side

: Rating at maximum reach

(R=4870 

16'0"

)

A

B

4810 

15'9"

4995 

16'5"

6425 

21'1"

50 

2"

1790

5'10"

3925 

12'11"

4075 

13'4"

5180 

17'0"

3470 

11'5"

700 

28"

3900 

12'10"

990 

3'3"

2240 

7'4"

4600 

15'1"

5355 

17'7"

4965 

16'3"

4120 

13'6"

Type of bucket

Bottom dump

Capacity–heaped

6.5 m

3

8.5 yd

3

A

Max. cutting height

12330 mm

40'5"

B

Max. dumping height

8700 mm

28'7"

C

Max. digging depth

3650 mm

12'0"

D

Max. digging reach

11400 mm

37'5"

E

Max. digging reach at ground level

10900 mm

35'9"

F

Level crowding distance

4480 mm

14'8"

G

Min. crowd distance

6130 mm

20'1"

Bucket digging force

579 kN

59000 kgf / 130,100 lb

Arm crowd force

608 kN

62000 kgf / 136,710 lb

Type of bucket

Bottom dump

Capacity–heaped

6.5 m

3

8.5 yd

3

A Overall Height

6200 mm

20'4"

B Overall Length

10940 mm

35'11"

Working Range

Type of bucket

Bottom dump

Capacity–heaped

6.5 m

3

8.5 yd

3

Width (with side shrouds)

2700 mm

106.3"

Weight

9730 kg

21,450 lb

No. of bucket teeth

6

Recommended uses

General-purpose

digging and loading

Bucket Selection

 2

 1

 3

 0

 4

 5

 6

 7

 8

 9

10

11

12

13

-1

-2

-3

-4

-5

 0

 1

 2

 3

 4

 5

 6

 7

 8

 9

10

11

12

13

E

D

G

F

B

A

C

Heavy Lift 

Off

Heavy Lift 

On

A

Maximum

12.2 m

40'

10.7 m

35'

9.1 m

30'

7.6 m

25'

6.1 m

20'

4.6 m

15'

B

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

9.1 m

*15200

*15200

*18000

*18000

30'

*33,500

*33,500

*39,700

*39,700

6.1 m

*15950

13200

*20050

17400

*22950

*22950

*27900

*27900

20'

*35,100

29,100

*44,200

38,400

*50,600

*50,600

*61,500

*61,500

3.0 m

15650

11850

16400

12500

20850

16100

27000

20850

*34950

27650

10'

34,500

26,200

36,100

27,500

46,000

35,500

59,500

46,000

*77,100

60,900

0.0 m

16250

12300

19950

15200

24200

18200

34400

26100

0'

35,900

27,100

44,000

33,500

53,400

40,200

75,800

57,500

–3.0 m

19950

15250

20000

15250

25600

19550

34600

26300

*43850

38400

*39250

*39250

–10'

44,000

33,600

44,100

33,700

56,400

43,100

76,300

57,900

*96,700

84,700

*86,600

*86,600

–6.1 m

*23500

*23500

*25400

*25400

*32550

*32550

–20'

*51,800

*51,800

*56,100

*56,100

*71,800

*71,800

9.1 m

*15200

*15200

*15500

*15500

30'

*33,500

*33,500

*34,200

*34,200

6.1 m

*15850

13200

*17300

*17300

*19950

*19950

*24400

*24400

20'

*34,900

29,100

*38,100

*38,100

*44,000

*44,000

*53,800

*53,800

3.0 m

15650

11850

16400

12500

*19800

16100

*23900

20850

*30550

27650

10'

34,500

26,200

36,100

27,500

*43,700

35,500

*52,700

46,000

*67,400

60,900

0.0 m

16250

12300

19950

15200

24200

18200

*32650

26100

0'

35,900

27,100

44,000

33,500

53,400

40,200

*72,000

57,500

–3.0 m

*19600

15250

*19650

15250

*24750

19550

*30750

26300

*38350

*38350

*39250

*39250

–10'

*43,200

33,600

*43,300

33,700

*54,600

43,100

*67,800

57,900

*84,500

*84,500

*86,600

*86,600

–6.1 m

*20150

*20150

*21900

*21900

*28150

*28150

–20'

*44,500

*44,500

*48,200

*48,200

*62,100

*62,100

* Load is limited by hydraulic capacity rather than tipping. Ratings are based on SAE standard No. J1097. Rated loads do not exceed 87% of hydraulic lift capacity or 75% of tipping load.

Unit: 

kg

lb

A

Maximum

12.2 m

40'

10.7 m

35'

9.1 m

30'

7.6 m

25'

6.1 m

20'

4.6 m

15'

B

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

Cf

Cs

9.1 m

*9300

*9300

30'

*20,500

*20,500

6.1 m

*9650

*9650

*16650

13700

*18150

18000

*20550

*20550

20'

*21,300

*21,300

*36700

30,200

*40,000

39,700

*45,400

*45,400

3.0 m

*10950

10200

16650

12750

21200

16400

*25600

21300

*32350

28500

10'

*24,200

22,500

36,700

28,100

46,700

36,100

*56,500

47,000

*71,400

62,800

0.0 m

*13650

10400

15850

11950

19900

15150

24550

18500

34,450

26100

*29300

*29300

0'

*30,100

23,000

34,900

26,400

43,900

33,400

54,100

40,800

75,900

57,600

*64,600

*64,600

–3.0 m

16400

12400

19550

14800

25100

19050

34000

25700

*46350

37500

*31900

*31900

–10'

36,200

27,300

43,100

32,600

55,400

42,000

75,000

56,600

*102,200

82,600

*70,300

*70,300

–6.1 m

*21750

18700

*23650

20000

*28850

25200

*38200

*38200

*48900

*48900

–20'

*48,000

41,300

*52,100

44,100

*63,600

55,500

*84,300

*84,300

*107,800

*107,800

9.1 m

*9300

*9300

30'

*20,500

*20,500

6.1 m

*9650

*9650

*14250

13700

*15600

*15600

*17850

*17850

20'

*21,300

*21,300

*31,400

30,200

*34,400

*34,400

*39,300

*39,300

3.0 m

*10950

10200

*16050

12750

*18500

16400

*22250

21300

*28250

*28250

10'

*24,200

22,500

*35,400

28,100

*40,800

36,100

*49,000

47,000

*62,300

*62,300

0.0 m

*13650

10400

15850

11950

19900

15150

*24200

18500

*31950

26100

*29300

*29300

0'

*30,100

23,000

34,900

26,400

43,900

33,400

*53,300

40,800

*70,400

57,600

*64,600

*64,600

–3.0 m

16400

12400

19550

14800

25100

19050

*31650

25700

*40550

37500

*31900

*31900

–10'

36,200

27,300

43,100

32,600

55,400

42,000

*69,800

56,600

*89,400

82,600

*70,300

*70,300

–6.1 m

*18650

18650

*20300

20000

*24800

24800

*33200

*33200

*42600

*42600

–20'

*41,100

41,100

*44,800

44,100

*54,700

54,700

*73,200

*73,200

*93,900

*93,900

* Load is limited by hydraulic capacity rather than tipping. Ratings are based on SAE standard No. J1097. Rated loads do not exceed 87% of hydraulic lift capacity or 75% of tipping load.

Unit: 

kg

lb

Heavy Lift 

Off

Heavy Lift 

On

B

A

C

Summary of Contents for PC1250 -

Page 1: ...h fixed front window HYDRAULIC CONTROLS Fully hydraulic with Electronic Open Center Load Sensing EOLSS and engine speed sensing pump and engine mutual control system One gear pump for control circuit Two axial piston motors for swing with single stage relief valve One axial piston motor per track for travel with counter balance valve Three variable capacity piston pumps 2 Main 1 Swing Three contro...

Page 2: ...tenance Easy Cleaning of Cooling Unit Fan reverse rotation function facilitates clogged radiator cleaning Centralized Arrangement of Engine Checkpoints Anti slip Plates for improved foot traction Large Handrail Step and Catwalk provide easy access to the engine and hydraulic equipment See page 10 Highly Reliable Electronic Devices Exclusively designed electronic devices have passed severe testing ...

Page 3: ...Common Rail system Electronically controlled cooled EGR system Hydraulic control valve Main pump Komatsu Technology Komatsu develops and produces all major components such as engines electronics and hydraulic components in house With this Komatsu Technology and adding customer feedback Komatsu is achieving great advancements in technology To achieve both high levels of productivity and economical ...

Page 4: ...provide excellent reliability and durability when working on rocky ground or blasted rock Quarry Bucket with XS Tooth High tensile strength steel Koma hard materials Shroud Enlarged XS Tooth Unique bucket tooth shape superior digging performance Long term high sharpness Great penetration performance Hammerless safe and easy tooth replacement Tooth replacement time Halves the conventional machine S...

Page 5: ...ate runoff Photo may include optional equipment Photo may include optional equipment Multi position Controls The multi position PPC proportional pressure control levers allow the operator to work in comfort while maintaining precise control A double slide mechanism allows the seat and control levers to move together or independently allowing the operator to position the controls for maximum produc...

Page 6: ...Data Memory Function Trouble data is stored to serve as references for future trouble shooting Error codes are displayed to aid in service diagnosis Convenient Utility Space Utility space provides great convenience to store tools spare parts etc H Y D R A U L I C E X C AVAT O R PC1250 8 VHMS Vehicle Health Monitoring System optional VHMS controller monitors the health conditions of major component...

Page 7: ...OOM COMBINATION Unit mm ft in H Y D R A U L I C E X C AVAT O R PC1250 8 LOADING SHOVEL Operating weight including 5300 mm 17 5 boom 3800 mm 12 6 arm 6 5 m3 8 5 yd3 heaped bucket operator lubricants coolant full fuel tank and standard equipment PC1250 8 Shoes Operating Weight Ground Pressure Double grouser 110900 kg 142 kPa 700 mm 244 490 lb 1 45 kg cm2 28 20 6 psi PC1250 8 PC1250SP 8 Operating Gro...

Page 8: ...500 15500 30 33 500 33 500 34 200 34 200 6 1 m 15850 13200 17300 17300 19950 19950 24400 24400 20 34 900 29 100 38 100 38 100 44 000 44 000 53 800 53 800 3 0 m 15650 11850 16400 12500 19800 16100 23900 20850 30550 27650 10 34 500 26 200 36 100 27 500 43 700 35 500 52 700 46 000 67 400 60 900 0 0 m 16250 12300 19950 15200 24200 18200 32650 26100 0 35 900 27 100 44 000 33 500 53 400 40 200 72 000 57...

Page 9: ... m 8400 8400 12850 9600 15950 12050 20 100 15300 25900 19800 34800 26450 31200 31200 0 18 500 18 500 28 400 21 100 35 200 26 600 44 300 33 800 57 100 43 600 76 700 58 300 68 800 68 800 3 0 m 11500 10150 15500 11600 19300 14600 24850 18800 33600 25300 47600 36800 10 25 400 22 400 34 100 25 600 42 600 32 100 54 800 41 500 74 100 55 800 105 000 81 100 6 1 m 18600 14100 19750 15000 25200 19150 33250 2...

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