The 561N Pipelayer is built using elevated sprocket design and is the standard of the pipeline industry.
Engine |
Units: US | |
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Engine Model |
Cat® 3126B |
Cat® 3126B |
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Flywheel Power |
123 hp |
92 kW |
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Gross Power |
132 hp |
98 kW |
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Net Power – Caterpillar |
123 hp |
92 kW |
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Net Power – ISO 9249 |
123 hp |
92 kW |
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Net Power – EEC 80/1269 |
123 hp |
92 kW |
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Net Power – SAE J1349 |
123 hp |
92 kW |
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Net Power – DIN 70020 |
114 PS |
114 PS |
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Bore |
4.33 in |
110 mm |
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Stroke |
5 in |
127 mm |
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Displacement |
439 in3 |
7.2 L |
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Pipelaying Equipment |
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Lift Capacity |
40000 lb |
18145 kg |
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Boom Length |
18 ft |
5.49 m |
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Hook Winch Drum Diameter |
8.5 in |
216 mm |
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Rope Minimum Breaking Strength |
41200 lb |
183.3 kN |
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Boom Winch Drum Diameter |
9.63 in |
245 mm |
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Hook Winch Flange Diameter |
15.5 in |
398 mm |
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Boom Winch Flange Diameter |
14.63 in |
372 mm |
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Hook Winch Drum Length |
10 in |
254 mm |
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Boom Winch Drum Length |
10 in |
254 mm |
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Diameter – Wire Rope |
.625 in |
16 mm |
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Hook Winch Capacity – 16 mm (5/8 in) Diameter |
239 ft |
72.85 m |
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Boom Winch Capacity – 16 mm (5/8 in) Diameter |
162 ft |
49.38 m |
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Hook w/ Wire Rope Installed – 16 mm (5/8 in) Diameter |
130 ft |
39.63 m |
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Boom w/ Wire Rope Installed – 16 mm (5/8 in) Diameter |
85 ft |
25.91 m |
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Boom Line Speed |
151 ft/min |
46 m/min |
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Bare Drum Hook Speed (Lo) |
108 ft/min |
33 m/min |
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Bare Drum Hook Speed (Hi) |
228 ft/min |
69.5 m/min |
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2 Part Line Hook Speed (Lo) |
54 ft/min |
16.5 m/min |
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2 Part Line Hook Speed (Hi) |
114 ft/min |
34.8 m/min |
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3 Part Line Hook Speed (Lo) |
36 ft/min |
11 m/min |
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3 Part Line Hook Speed (Hi) |
76 ft/min |
23.2 m/min |
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Removable Counterweight – Number of Segments |
16 |
16 |
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Removable Counterweight – 7 Each At |
251 lb |
114 kg |
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Removable Counterweight – 9 Each At |
421 lb |
191 kg |
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Total Weight Extendable |
6570 lb |
2980 kg |
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Weights |
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Operating Weight |
37150 lb |
16851 kg |
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Shipping Weight |
35100 lb |
15921 kg |
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Transmission |
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Max Forward Speed |
5.65 mph |
9.1 km/h |
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Max Reverse Speed |
7.02 mph |
11.3 km/h |
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1 Forward |
1.9 mph |
3.1 km/h |
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2 Forward |
3.3 mph |
5.4 km/h |
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3 Forward |
5.6 mph |
9.1 km/h |
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1 Reverse |
2.3 mph |
3.8 km/h |
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2 Reverse |
4.1 mph |
6.7 km/h |
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3 Reverse |
6.9 mph |
11.3 km/h |
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Undercarriage |
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Number of Shoes – Each Side |
44 |
44 |
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Track Rollers – Each Side |
8 |
8 |
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Track Gauge |
79 in |
2000 mm |
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Track on Ground |
103 in |
2604 mm |
| ||
Track Shoe Width – Standard |
22 in |
560 mm |
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Track Shoe Width – LGP (1) |
24 in |
610 mm |
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Track Shoe Width – LGP (2) |
30 in |
760 mm |
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Ground Contact Area – Standard Shoe |
4542 in2 |
2.93 m2 |
| ||
Ground Contact Area – LGP (1) Shoe |
4924 in2 |
3.18 m2 |
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Ground Contact Area – LGP (2) Shoe |
6135 in2 |
3.96 m2 |
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Ground Pressure – Standard Shoe |
8.1 psi |
56 kPa |
| ||
Ground Pressure – LGP (1) Shoe |
7.6 psi |
52 kPa |
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Ground Pressure – LGP (2) Shoe |
6.1 psi |
42 kPa |
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Service Capacities |
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Fuel Tank |
62.2 gal |
235 L |
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Crankcase (with Filter) |
6.9 gal |
26 L |
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Final Drives (each) |
1.6 gal |
6 L |
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Boom Winch |
1.5 gal |
5.7 L |
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Cooling System |
12.6 gal |
48 L |
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Implement Hydraulic System (includes tank) |
9.91 gal |
37.5 L |
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Hydraulic Tank |
9.9 gal |
37.5 L |
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Dimensions |
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Track Gauge |
79 in |
2000 mm |
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Width of Tractor – Standard Shoes |
101 in |
2560 mm |
| ||
Width of Tractor – Boom Removed |
117.46 in |
2983.5 mm |
| ||
Width of Tractor – Counterweight/Boom Removed |
117.5 in |
2983.5 mm |
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Width of Tractor – Counterweight Extended |
176 in |
4463 mm |
| ||
Machine Height – Tip of Grouser to Top of Winch |
99 in |
2519 mm |
| ||
Drawbar Height (Center of Clevis) |
21 in |
537.5 mm |
| ||
Length of Track on Ground |
103 in |
2604 mm |
| ||
Operating Length (with Drawbar) |
146 in |
3708.5 mm |
| ||
Height to Top of Stack |
119 in |
3041.4 mm |
| ||
Grouser Height |
1.9 in |
47 mm |
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Ground Clearance (SAE J1234) |
17 in |
432.5 mm |
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Boom Height – Tip of Grouser at SAE 4 ft (1.22 m) Overhang |
251 in |
6361.7 mm |
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Hydraulic Controls |
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Type |
Two-section vane pump with pilot operated control valves. |
Two-section vane pump with pilot operated control valves. |
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Output – Maximum |
57.1 gal/min |
216 L/min |
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Relief Valve Setting – Counterweight |
2850 psi |
19600 kPa |
| ||
Relief Valve Setting – Hook and Boom Winch |
2700 psi | |
