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Section 7: Torque Values Chart 

GB2590, GB2596, GB25108, GBE2590, GBE2596, & GBE25108 Grapple Buckets 380-192M

3/3/20

32

Table of Contents

Section 7: Torque Values Chart

Torque Values Chart for Common Bolt Sizes

Bolt Head Identification

Bolt Head Identification

Bolt Size 

(inches)

Grade 2

Grade 5

Grade 8

Bolt Size

(Metric)

Class 5.8

Class 8.8

Class 10.9

in-tpi

 1

N · m 

2

ft-lb 

3

N · m

ft-lb

N · m

ft-lb

mm x pitch 

4

N · m

ft-lb

N · m

ft-lb

N · m

ft-lb

1/4" - 20

7.4

5.6

11

8

16

12

M 5 X 0.8

4

3

6

5

9

7

1/4" - 28

8.5

6

13

10

18

14

M 6 X 1

7

5

11

8

15

11

5/16" - 18

15

11

24

17

33

25

M 8 X 1.25

17

12

26

19

36

27

5/16" - 24

17

13

26

19

37

27

M 8 X 1

18

13

28

21

39

29

3/8" - 16

27

20

42

31

59

44

M10 X 1.5

33

24

52

39

72

53

3/8" - 24

31

22

47

35

67

49

M10 X 0.75

39

29

61

45

85

62

7/16" - 14

43

32

67

49

95

70

M12 X 1.75

58

42

91

67

125

93

7/16" - 20

49

36

75

55

105

78

M12 X 1.5

60

44

95

70

130

97

1/2" - 13

66

49

105

76

145

105

M12 X 1

90

66

105

77

145

105

1/2" - 20

75

55

115

85

165

120

M14 X 2

92

68

145

105

200

150

9/16" - 12

95

70

150

110

210

155

M14 X 1.5

99

73

155

115

215

160

9/16" - 18

105

79

165

120

235

170

M16 X 2

145

105

225

165

315

230

5/8" - 11

130

97

205

150

285

210

M16 X 1.5

155

115

240

180

335

245

5/8" - 18

150

110

230

170

325

240

M18 X 2.5

195

145

310

230

405

300

3/4" - 10

235

170

360

265

510

375

M18 X 1.5

220

165

350

260

485

355

3/4" - 16

260

190

405

295

570

420

M20 X 2.5

280

205

440

325

610

450

7/8" - 9

225

165

585

430

820

605

M20 X 1.5

310

230

650

480

900

665

7/8" - 14

250

185

640

475

905

670

M24 X 3

480

355

760

560

1050

780

1" - 8

340

250

875

645

1230

910

M24 X 2

525

390

830

610

1150

845

1" - 12

370

275

955

705

1350

995

M30 X 3.5

960

705

1510

1120

2100

1550

1-1/8" - 7

480

355

1080

795

1750

1290

M30 X 2

1060

785

1680

1240

2320

1710

1-1/8" - 12

540

395

1210

890

1960

1440

M36 X 3.5

1730

1270

2650

1950

3660

2700

1-1/4" - 7

680

500

1520

1120

2460

1820

M36 X 2

1880

1380

2960

2190

4100

3220

1-1/4" - 12

750

555

1680

1240

2730

2010

1

 in-tpi = nominal thread diameter in inches-threads per inch

1-3/8" - 6

890

655

1990

1470

3230

2380

2

 N· m = newton-meters

1-3/8" - 12

1010

745

2270

1670

3680

2710

3

 ft-lb= foot pounds

1-1/2" - 6

1180

870

2640

1950

4290

3160

mm x pitch = nominal thread diameter in millimeters x thread 

pitch

1-1/2" - 12

1330

980

2970

2190

4820

3560

Torque tol 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.

5.8

8.8

10.9

Summary of Contents for GB25108

Page 1: ...Language please see your Land Pride dealer Read the Operator s Manual entirely When you see this symbol the subsequent instructions and warnings are serious follow without exception Your life and the...

Page 2: ...originally ordered the weights and measurements are no longer accurate for your machine Update the record by adding the machine weight and measurements provided in the Specifications Capacities Sectio...

Page 3: ...er Assistance 8 Serial Number 8 Further Assistance 8 Section 1 Assembly Set Up 9 Tractor Requirements 9 Torque Requirements 9 Before You Start 9 Tractor Shutdown Procedure 9 Grapple Arm Tower Assembly...

Page 4: ...e App on your smart phone open the App point your phone on the QR code and take a picture Dealer QR Locator The QR code on the left will link you to available dealers for Land Pride products Refer to...

Page 5: ...it Hazard control and accident prevention are dependent upon the awareness concern prudence and proper training of personnel involved in the operation transport maintenance and storage of equipment Tr...

Page 6: ...t is necessary to work under the equipment securely support it with stands or suitable blocking beforehand Use properly grounded electrical outlets and tools Use correct tools and equipment for the jo...

Page 7: ...s in the locked up position fasten seat belt snugly and securely to help protect against serious injury or death from falling and machine overturn Avoid High Pressure Fluids Escaping fluid under press...

Page 8: ...ght fitting respirators can not have beards mustaches which interfere with the respirator seal to the face If possible change into disposable or washable work clothes at the work site shower and chang...

Page 9: ...Important Safety Information 3 3 20 5 This page left blank intentionally...

Page 10: ...l placement Replace all damaged or missing labels Order new labels from your nearest Land Pride dealer To find your nearest dealer visit our dealer locator at www landpride com 3 Some new equipment in...

Page 11: ...uckets 380 192M 3 3 20 7 Table of Contents 858 237C Warning Underground Utility Hazard 1 Place Back of Grapple Bucket 838 293C Warning To Prevent Injury or Death 1 Place Back of Grapple Bucket 838 094...

Page 12: ...ars of satisfactory use from this machine Application The Land Pride GBE25 and GB25 Series Grapple Buckets have uses and applications in farming ranching horse ranches dairies feedlots construction si...

Page 13: ...t cotter pins are spread Operator s Manual Make sure all grease fittings are in place and lubricated Page 28 Make sure all safety labels are correctly located and legible Replace if damaged Page 6 Sec...

Page 14: ...lifting the arm and tower assembly 8 Pick tower and arm assembly up with the lifting device If needed lower unit to the floor and readjust its straps around the lift point before transporting Refer to...

Page 15: ...A Tighten hoses to elbow fittings 4 Attach 81 2 06 m long hydraulic hoses 9 10 to elbows 5B Tighten hoses to elbow fittings 5 Skip to Counterbalance Valve Optional on page 12 if included Otherwise con...

Page 16: ...port LB tighten hose 7 to adapter 11 15 At port LR tighten hose 9 to adapter 11 16 At port RB tighten hose 8 to adapter 11 17 At port RR tighten hose 10 to adapter 11 18 Attach hydraulic hose clamps 2...

Page 17: ...r to Figure 1 7 1 Attach cross tube 2 to grapple arms 1 using 5 8 11 x 5 1 2 GR5 hex head bolts 5 clamp plates 4 and hex top locknuts 6 Do not tighten nuts at this time 2 Position ends of cross tube 2...

Page 18: ...r with an attached Euro hitch plate 1 Lower loader hitch plate as far as possible 2 If required manually move locking handle on the loader hitch plate until locking pins are pulled fully back and read...

Page 19: ...achment to come loose from the loader hitch plate and fall This Grapple Bucket is designed for attaching to a tractor loader with an attached Universal Quick Attach hitch plate 1 Check for and remove...

Page 20: ...hoses and fittings along their path with zip ties or by other means to protect them from being pinched kinked and or snagged 6 For additional help refer to Hydraulic Hook up in your tractor Operator...

Page 21: ...ning sign under overhead lines indicating type of danger above Always secure equipment with solid non concrete supports before working under it Never go under equipment supported by concrete blocks or...

Page 22: ...e easier to tip over when loader arms are raised due to high center of gravity Do not alter attachment or replace parts on the attachment with other brands Other brands may not fit properly or meet OE...

Page 23: ...when lifting fragile or hollow objects such as a crate This will help protect the object from being crushed 2 Make sure the load does not exceed the rated lift capacity of the tractor loader lifting...

Page 24: ...ination of the tilting front of the bucket down raising the upper grapple tine and raising the loader arms The order in which the load is released will vary depending on type of material being release...

Page 25: ...secure with linchpins 5 5 Return to the tractor and rotate bucket up to align grapple holes B2 with bucket holes B1 and to lift the grapple off the ground 1 to 2 inches 6 Shut tractor down without cha...

Page 26: ...3 and pin 2 from hole A 3 Rotate park stand 1 down as shown and secure in place by inserting pin 2 in hole B 4 Secure pin 2 with hairpin cotter 3 5 Repeat steps 2 4 for the other park stand Refer to...

Page 27: ...n before dismounting Refer to Tractor Shutdown Procedure on page 9 3 Disconnect customer supplied hydraulic hoses from the tractor and store on the bucket 4 If required manually move locking handle un...

Page 28: ...onnect customer supplied hydraulic hoses from the tractor and store hoses on the bucket 4 Pull front loader lock handles up to remove pins from the bottom slots in the bucket hitch plate 5 Return to t...

Page 29: ...while watching for pedestrian traffic and other obstacles that might get in the way Once free stop and recheck the load to see if it is properly secured If not release the load and re clamp it to make...

Page 30: ...r debris can damage hoses and fittings causing the load to release and fall Perform scheduled maintenance Check for loose hardware missing parts broken parts structural cracks and excessive wear Make...

Page 31: ...the season This will help to ensure the unit is ready for field use the next time you hook up to it 1 Clean off any dirt and grease that may have accumulated on the bucket and grapple Scrape off comp...

Page 32: ...ts 39265 39265 39265 10 Hrs Hydraulic Cylinder Rod Pivot Pin 2 Zerks 1 per cylinder Type of Lubrication Multi purpose Grease Quantity As required make sure grease is visible 10 Hrs Hydraulic Cylinder...

Page 33: ...E and Valve included 1618 lbs 734 kg 1608 lbs 730 kg 1658 lbs 752 kg 1648 lbs 748 kg 1792 lbs 813 kg 1786 lbs 810 kg Bucket Capacity Struck 1 00 cu yd 0 76 m3 1 07 cu yd 0 82 m3 1 18 cu yd 0 90 m3 Ove...

Page 34: ...s wide range of tractors 90 2 29 m 96 2 44 m 108 2 74 m Struck capacity 1 0 1 2 Cu Yd 0 76m3 0 92m3 Allows high volume material handling Universal Quick Attach mount Allows grapple to be installed rem...

Page 35: ...nd or damaged and Hydraulic fittings are damaged above Load is shifting Hitch is not properly attached to tractor Always make certain hitch is properly attached before lifting a load Reattach hitch to...

Page 36: ...20 235 170 M16 X 2 145 105 225 165 315 230 5 8 11 130 97 205 150 285 210 M16 X 1 5 155 115 240 180 335 245 5 8 18 150 110 230 170 325 240 M18 X 2 5 195 145 310 230 405 300 3 4 10 235 170 360 265 510 3...

Page 37: ...e also specifically includes failure to properly maintain oil levels grease points and driveline shafts Claims under this Warranty should be made to the dealer which originally sold the product and al...

Page 38: ...Corporate Office P O Box 5060 Salina Kansas 67402 5060 USA www landpride com...

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