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printer-friendly Hy-Ram® Hydraulic Breaker Specifications Model 735 745 755B 755B G AEM Measured Values Energy Rating ** ft. lbs 792 1,045 1,998 1,998 (joules) 1,074 1,417 2,709 2,709 Frequency bpm 995 819 657 657 Hydraulic Flow gpm 25.5 32.0 36.9 36.9 (lpm) 97 121 140 140 Supply Pressure psi 2,323 2,593 2,607 2,607 (bar) 160 179 180 180 Operating Ranges Recommended Carrier Weight (Backhoe) lbs. 14,000-25,000 20,000-25,000 N/A N/A Recommended Carrier Weight (Excavator) lbs. 15,000-30,000 25,000-45,000 33,000-60,000 33,000-60,0000 Frequency bpm 600-1,000 350-800 350-680 350-680 Hydraulic Flow Required gpm 16-26 18-32 27-37 27-37 (lpm) (60-100) (70-120) (100-140) (100-140) Hydraulic Pressure psi 1,600-2,300 1,750-2,600 2,200-2,600 2,200-2,600 (bar) (110-160) (120-180) (150-180) (150-180) Working Weight lbs. 1,250 2,200 2,900 2,990 (kg) 568 1,000 1,315 1,356 Overall Length in. 75 84 100 100 (cm) 191 214 254 254 Tool Diameter in. 3.54 3.94 4.72 4.72 (mm) 90 100 120 120   Model 775B 775B G 785B 785B G AEM Measured Values Energy Rating ** ft. lbs. 2,638 2,638 3,528 3,528 (joules) 3,577 3,577 4,784 4,784 Frequency bpm 643 643 538 538 Hydraulic Flow gpm 42.2 42.2 47.8 47.8 (lpm) 160 160 181 181 Supply Pressure psi 2,611 2,611 2,484 2,484 (bar) 180 180 171 171 Operating Ranges Recommended Carrier Weight (Excavator) lbs. 44,000-76,000 44,000-76,000 55,000-80,000 55,000-80,000 Frequency    bpm 360-600 360-600 280-550 280-550 Hydraulic Flow Required gpm 34-42 34-42 37-48 37-48 (lpm) (130-160) (130-160) (140-180) (140-180) Hydraulic Pressure psi 2,300-2,600 2,300-2,600 2,300-2,600 2,300-2,600 (bar) (160-180) (160-180) (160-180) (160-180) Working Weight lbs. 3,900 4,000 5,560 5,800 (kg) 1,770 1,815 2,525 2,630 Overall Length in. 112 112 126 126 (cm) 284 284 320 320 Tool Diameter in. 5.51 5.51 5.91 5.91 (mm) 140 140 150 150   Model 797B 797B G 805B 805B G 905B G AEM Measured Values Energy Rating ** ft. lbs. 4,955 4,955 5,834 5,834 10,247 (joules) 6,719 6,719 7,910 7,910 13,895 Frequency bpm 708 708 500 500 449 Hydraulic Flow gpm 78.7 78.7 74.6 74.6 126.0 (lpm) 298 298 282 282 477 Supply Pressure psi 2,604 2,604 2,595 2,595 2,736 (bar) 180 180 179 179 189 Operating Ranges Recommended Carrier Weight (Excavator) lbs. 74,000-110,000 74,000-110,000 90,000-150,000 90,000-150,000 145,000+ Frequency bpm 320-600 320-600 240-530 240-530 330-470 Hydraulic Flow Required gpm 64-79 64-79 66-85 66-85 105-127 (lpm) (240-300) (240-300) (250-320) (250-320) (400-480) Hydraulic Pressure psi 2,300-2,600 2,300-2,600 2,300-2,600 2,300-2,600 2,300-2,750 (bar) (160-180) (160-180) (160-180) (160-180) (160-190) Working Weight lbs. 7,200 7,315 9,410 9,820 16,500 (kg) 3,265 3,320 4,270 4,455 7,485 Overall Length in. 141 141 142 142 164 (cm) 358 358 361 361 417 Tool Diameter in. 6.50 6.50 7.09 7.09 8.27 (mm) 165 165 180 180 210 (**) The hammer energy rating is in accordance with the Certified AEM (Formerly CIMA) Tool Energy Rating Method.   Updated: 2/17/2003 10:41:45 AM Questions? Contact Us   Equipment descriptions and specifications are subject to change without notice. http://www.AlliedCP.com