Caterpillar Performance Handbook, January 2017, SEBD0351-47

Specifications ● D8R/D8T

Rippers

● D7E

19

TRACTOR/RIPPER

D7E

D8R/D8T

Adjustable Parallelogram

Adjustable Parallelogram

RipperType

Multi-shank

Single Shank

Multi-shank

Dimensions: Ripper toTrack

Ripper length behind track, shank vertical, ripper up

A With Pushblock B Without Pushblock

N/A

N/A

N/A

1222 mm

1.69 m

1.6 m

4'0"

5'7"

5'2"

Ripper length behind track, shank vertical, ripper down C With Pushblock

N/A

N/A

N/A

D Without Pushblock

1660 mm

1.84 m

1.71 m

5'5"

6'0"

5'7"

Tip to track distance, shank vertical E Ripper Up

614 mm 970 mm

694 mm 950 mm

640 mm 899 mm

2'0" 3'2"

2'3.3" 3'1.4"

2'1.2" 2'11.4"

F Ripper Down

Ripper Shank* G Maximum digging depth H Dig adjustment per hole I Total dig adjustment

650 mm 230 mm 230 mm

1130 mm 305 mm 610 mm

780 mm 250 mm 250 mm

2'2"

3'8.5"

2'6.7"

9" 9"

12" 2'0"

10" 10"

Pitch Adjustment, ripper down: J Forward

16° 12°

15° 9.9°

14.9°

K Backward

10°

L Maximum reach at ground line

1156 mm

1.32 m

1.17 m

3'10"

4'3"

3'10"

M Maximum ground clearance under tooth (shank pinned in bottom hole)

588 mm

636 mm

593 mm

1'11"

2'1"

1'11.3"

N Maximum ramp angle, ripper up (shank pinned in bottom hole)

26°

28.2°

28.4°

72 × 228 mm 2.8" × 9.0" 75 × 333 mm 2.9" × 13.1" 75 × 333 mm 2.9" × 13.1"

Shank Section

Ripper Beam O Overall width

2088 mm 355.6 mm

2.46 m

6'10"

N/A N/A

8'1"

P Height**

334 mm

14"

13.1"

(dia)

(dia)

Q Length**

457 mm

—

N/A

18"

Clearance under beam, shank vertical R Ripper Up

1080 mm 145 mm

1.55 m

3'7" 5.7"

N/A N/A

5'1"

S Ripper Down

449 mm

17.7"

Number of Pockets

3

1

3

T Pocket Spacing U Shank Gauge

900 mm 1800 mm

1092 mm

2'11" 5'11"

N/A N/A

3'7" 7'1"

2.17 m 76 mm 1.37 m

V Track Clearance with standard shoe

47 mm

76 mm 1.37 m

1.9" 4'2"

3"

3"

W Width across widest part of lift cylinders 1275 mm

4'5"

4'5"

InstalledWeights: Ripper with standard shank Each additional tooth group Ripper Forces:*** Penetration Force, shank vertical

1650 kg 150 kg

4085 kg

4213 kg 332 kg

3572 lb 330 lb

9005 lb

9287 lb 730 lb

N/A

87.4 kN

127.4 kN 222.8 kN

124.2 kN 227.9 kN

19,639 lb 52,695 lb

28,620 lb 50,070 lb

27,920 lb

Pryout Force, shank vertical 51,230 lb ** *Deep Ripping Shank is available for D8R/D8T single shank rippers. Hydraulic pin puller is standard with deep ripping shank. Deep Ripping Arrangement maximum digging depth is 1.57 m (5'2") for D8R/D8T. * **D7E ripper beam circular cross section. ***Forces for D7E are for machine equipped with SU-blade and standard track. Forces for D8R/D8T are for a ripper on a tractor equipped with EROPS, U-Dozer and performance track. Forces will vary slightly with other vehicle configurations. NOTE: Letters correspond to ripper dimension drawings. 234.4 kN

Edition 47 19-69