Series 20 XL , Standard Drum, Manual Clutch

PART NUMBER 77550

$ 4,862.92

Great for Wreckers, Trailers, or Severe-Duty Applications

8.0 cubic-inch high-performance motor with 20,000 lbf. capacity
Spring-applied disc brake designed to hold the full-rated load
Hardened aircraft-grade nickel chromoly two-stage planetary geartrain for speed and reliability
Available in air and manual clutch options
Available in standard and long-drum versions
Meets SAE J706 and CE specifications

PN 74750 (Standard Drum, Air Clutch)

PN 77550 (Standard Drum, Manual Clutch)

PN 77560 (Long Drum, Air Clutch)

PN 77570 (Long Drum, Manual Clutch)

20XL HYD SPECS/PART NUMBERS

Rated Pulling Force: 20,000 lbf (9,072 kgf)

Drum Barrel Diameter: 5.75 in (146 mm)

Drum Flange Diameter: 12.25 in (311 mm)

Distance Between Flanges, Short Drum: 8.0 in (203 mm)

Distance Between Flanges, Long Drum: 14 in (356 mm)

Recommended Maximum Wire Rope Diameter: 9/16 in (14.3 mm)

Recommended Minimum Wire Rope Breaking Strength: 33600 lbf (15241 kgf)

Approximate Shipping Weight for 74750 & 77550: 297 lb (135 kg)

Approximate Shipping Weight for 77560 & 77570: 322 lb (146 kg)

Duty Cycle (intermittent per SAE J706 section 6.2): 2760 ft (841.2 m)

Mounting Bolt Torque: 159 ft*lbf (216 N*m)

Maximum Layers of Wire Rope: 5

Gear Reduction: 28.5:1

Brake Type: Spring Applied Disk

Contactor / Remote Type: N/A

Standards Compliance:
SAE J706
CE Machinery Directive 98/37/EC and 2006/42/EC

ACCESSORIES (STANDARD DRUM)

Fairlead SRS-XL-STD: PN 77532

Wire Rope Assembly 9/16''x140' EIPS: PN 77451

Snatch Block XL-60K LB: PN 80858

ACCESSORIES (LONG DRUM)

Fairlead SRS-XL-LONG: PN 77869

Wire Rope Assembly 9/16''x245' EIPS: PN 77452

Snatch Block XL-60K LB: PN 80858

PERFORMANCE DATA BY LAYER (SHORT DRUM) - 9/16" (14.3 mm) dia. rope
Drum	Line Load *			Line Speed 15 GPM		Line Speed 20 GPM		Drum Capacity
Layer	lbf	kgf	kN	ft/min	m/min	ft/min	m/min	ft	m
1	20000	9072	89.0	22.8	6.9	28.5	8.7	21	6.4
2	16975	7700	75.5	26.9	8.2	33.5	10.2	46	14.0
3	14745	6688	65.6	31.0	9.4	38.6	11.8	74	22.6
4	13032	5911	58.0	35.0	10.7	43.7	13.3	106	32.3
5	11676	5296	51.9	39.1	11.9	48.8	14.9	142	43.3
* Never exceed the Rated Pulling Force. Installation of a Rated Capacity Limiter is recommended.

PERFORMANCE DATA BY LAYER (LONG DRUM) - 9/16" (14.3 mm) dia. rope
Drum	Line Load *			Line Speed 15 GPM		Line Speed 20 GPM		Drum Capacity
Layer	lbf	kgf	kN	ft/min	m/min	ft/min	m/min	ft	m
1	20000	9072	89.0	22.8	6.9	28.5	8.7	36	11.0
2	16975	7700	75.5	26.9	8.2	33.5	10.2	79	24.1
3	14745	6688	65.6	31.0	9.4	38.6	11.8	129	39.3
4	13032	5911	58.0	35.0	10.7	43.7	13.3	185	56.4
5	11676	5296	51.9	39.1	11.9	48.8	14.9	248	75.6
* Never exceed the Rated Pulling Force. Installation of a Rated Capacity Limiter is recommended.

FIRST LAYER PERFORMANCE
Line Load		Pressure Drop at 15 GPM		Pressure Drop at 20 GPM		Duty Cycle
lbf	kgf	psi	BAR	psi	BAR	min/10min
0	0	870	60.0	1055	72.7	N/A
5000	2268	1256	86.6	1500	103.4	N/A
10000	4536	1855	127.9	2070	142.7	N/A
15000	6804	2470	170.3	2630	181.3	N/A
20000	9072	2985	205.8	3000	206.8	N/A

Series 20XL 77550 Product Datasheet

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