Beam pumping unit is a type of conventional oil production equipment in mechanical balance. All our beam pumping units conform to industry standards and API specifications. The mature products are applicable in all-weather conditions and for use in various applications. Products can be designed and made upon requests.
Illustration of API Pumping Units Model
| X | XXXD | XXX | XXX | XX |
C…….Conventional Crank Balance | Rated Torque of Reducer (in.lb) | Rated Polished Rod Load (lbs) | Max. Stroke (inch) | TH….High Position Motor |
EXAMPLE: C912D-365-168TH
It means conventional crank balance pumping unit, high position motor, rated torque of reducer: 912,000 in.lb; rated polished rod load: 36,500 lb, max. stroke: 168in
| Model | C80D-133-54WL | C80D-119-64TH | C80D-133-54TH | C80D-119-64TL | |||||||||||
| Basic Parameters | Load Rating (lbs) | 13300 | 11900 | 13300 | 11900 | ||||||||||
| Stroke Length (in) | 54/45/36 | 64/53/42 | 54/45/36 | 64/53/42 | |||||||||||
| Max. Stroke (r/min) | 12 | ||||||||||||||
| Rated Torque (in.lbs) | 80,000 | ||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||
| Crank Direction | Clockwise and Counter Clockwise | ||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 80,000 | |||||||||||||
| Model | 80D | ||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||
| Gear Ratio | 31.74 | ||||||||||||||
| Center Range (in) | 21.65 | ||||||||||||||
| Center Height (in) | 13.78 | ||||||||||||||
| Oil Storage (U.S. Gal) | 12 | ||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||
| Big Pulley Diameter(in) | 25 | ||||||||||||||
| Pulley Groove Type | C | ||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 1,067x4 | 697x4 | 1,067x4 | 697x4 | ||||||||||
| Crank (lbs) | 1,142x2 | 1,142x2 | 1,142x2 | 1,142x2 | |||||||||||
| Wrist Pin Bore Positions (in) | 24 | 20 | 16 | 24 | 20 | 16 | 24 | 20 | 16 | 24 | 20 | 16 | |||
| Stroke Lengths (in) | 54 | 45 | 36 | 64 | 53 | 42 | 54 | 45 | 36 | 64 | 53 | 42 | |||
| Bridle | Type | Φ22 | Φ22 | Φ22 | Φ22 | ||||||||||
| Length (in) | 220 | 235 | 220 | 235 | |||||||||||
| Structure Unbalance (lbs) | |||||||||||||||
| Overall Size LXWXH (in) | 295.3x6.89x182.5 | 250.8x66.89x181.1 | 245.3x6.89x182.5 | 290.8x66.89x181.1 | |||||||||||
| Total Weight (lbs) | 19,008 | 15,663 | 16,906 | 16,765 | |||||||||||
| Model | C114D-119-86TH | C114D-173-64WL | C114D-119-100TH | C114D-173-64TH | C114D-143-74TL | C114D-173-64TL | |||||||||||||
| Basic Parameters | Load Rating (lbs) | 11,900 | 17,300 | 11,900 | 17,300 | 14,300 | 17,300 | ||||||||||||
| Stroke Length (in) | 86/72/59 | 64/54/44 | 100/86/72 | 64/54/44 | 74/64/54 | 64/54/44 | |||||||||||||
| Max. Stroke (r/min) | 12 | ||||||||||||||||||
| Rated Torque (in.lbs) | 114,000 | ||||||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | ||||||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 114,000 | |||||||||||||||||
| Model | 114D | ||||||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||||||
| Gear Ratio | 29.818 | ||||||||||||||||||
| Center Range (in) | 25.59 | ||||||||||||||||||
| Center Height (in) | 16.73 | ||||||||||||||||||
| Oil Storage (U.S. Gal) | 29 | ||||||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||||||
| Big Pulley Diameter(in) | 27 | ||||||||||||||||||
| Pulley Groove Type | C | ||||||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 723X4 | 1,534X4 | 1,201X4 | 1,534X4 | 992X4 | 1,534X4 | ||||||||||||
| Crank (lbs) | 1,206X2 | 1,206X2 | 1,276X2 | 1,206X2 | 1,206X2 | 1,206X2 | |||||||||||||
| Wrist Pin Bore Positions (in) | 32 | 27 | 22 | 32 | 27 | 22 | 37 | 32 | 27 | 32 | 27 | 22 | 37 | 32 | 27 | 32 | 27 | 22 | |
| Stroke Lengths (in) | 86 | 72 | 59 | 64 | 54 | 44 | 100 | 86 | 72 | 64 | 54 | 44 | 74 | 64 | 54 | 64 | 54 | 44 | |
| Bridle | Type | Φ22 | Φ22 | Φ22 | Φ26 | Φ26 | Φ26 | ||||||||||||
| Length (in) | 275 | 240 | 312 | 240 | 270 | 240 | |||||||||||||
| Structure Unbalance (lbs) | 198 | 1,087 | 208 | 1,087 | 697 | 1,087 | |||||||||||||
| Overall Size LXWXH (in) | 314.96X77.2 X217.1 | 355X77.56 X209 | 342X77.2 X253.6 | 288X77.56 X209 | 364X77.56 X220 | 355X77.56 X209 | |||||||||||||
| Total Weight (lbs) | 21,290 | 2,8038 | 24,638 | 24,800 | 23,807 | 25,902 | |||||||||||||
| Model | C160D-133-100TH | C160D-133-100TL | C160D-173-86TH | C160D-173-86TL | C160D-200-74WL | C160D-200-74TH | |||||||||||||
| Basic Parameters | Load Rating (lbs) | 13,300 | 13,300 | 17,300 | 17,300 | 20,000 | 20,000 | ||||||||||||
| Stroke Length (in) | 100/86/74 | 100/86/74 | 86/74/62 | 86/74/62 | 74/64/54 | 74/64/54 | |||||||||||||
| Max. Stroke (r/min) | 12 | ||||||||||||||||||
| Rated Torque (in.lbs) | 160,000 | ||||||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | ||||||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 160,000 | |||||||||||||||||
| Model | 160D | ||||||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||||||
| Gear Ratio | 28.506 | ||||||||||||||||||
| Center Range (in) | 29.53 | ||||||||||||||||||
| Center Height (in) | 17.72 | ||||||||||||||||||
| Oil Storage (U.S. Gal) | 37 | ||||||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||||||
| Big Pulley Diameter(in) | 30 | ||||||||||||||||||
| Pulley Groove Type | C | ||||||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 877X4 | 877X4 | 1,281X4 | 1,281X4 | 1,852X4 | 1,281X4 | ||||||||||||
| Crank (lbs) | 1,296X2 | 1,296X2 | 1,296X2 | 1,296X2 | 1,296X2 | 1,296X2 | |||||||||||||
| Wrist Pin Bore Positions (in) | 37 | 32 | 27 | 37 | 32 | 27 | 37 | 32 | 27 | 37 | 32 | 27 | 37 | 32 | 27 | 37 | 32 | 27 | |
| Stroke Lengths (in) | 100 | 86 | 74 | 100 | 86 | 74 | 86 | 74 | 62 | 86 | 74 | 62 | 74 | 64 | 54 | 74 | 64 | 54 | |
| Bridle | Type | Φ22 | Φ22 | Φ26 | Φ26 | Φ26 | Φ26 | ||||||||||||
| Length (in) | 312 | 312 | 295 | 295 | 270 | 270 | |||||||||||||
| Structure Unbalance (lbs) | 249 | 249 | 567 | 567 | 290 | 290 | |||||||||||||
| Overall Size LXWXH (in) | 344.4X83 X252 | 430X83 X252 | 415X83 X257 | 415X83 X257 | 381X83 X261 | 314X83 X252 | |||||||||||||
| Total Weight (lbs) | 24,186 | 25,914 | 27,203 | 27,553 | 32,013 | 25,592 | |||||||||||||
| Model | C228D-246-86TL | C228D-246-86TH | C228D-246-86WL | C228D-173-100TL | C228D-173-120TH | C228D-213-100TL | |||||||||||||
| Basic Parameters | Load Rating (lbs) | 24,600 | 24,600 | 24,600 | 17,300 | 17,300 | 17,300 | ||||||||||||
| Stroke Length (in) | 86/74/61 | 86/74/61 | 86/74/61 | 100/86/73 | 120/102/85 | 100/86/73 | |||||||||||||
| Max. Stroke (r/min) | 12 | ||||||||||||||||||
| Rated Torque (in.lbs) | 228,000 | ||||||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | ||||||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 228,000 | |||||||||||||||||
| Model | 228D | ||||||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||||||
| Gear Ratio | 29.907 | ||||||||||||||||||
| Center Range (in) | 33.47 | ||||||||||||||||||
| Center Height (in) | 19.685 | ||||||||||||||||||
| Oil Storage (U.S. Gal) | 43 | ||||||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||||||
| Big Pulley Diameter(in) | 36 | ||||||||||||||||||
| Pulley Groove Type | C | ||||||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 1,538X2 | 1,538X4 | 1,538X4 | 1,168×4 | 1,653×4 | 1,852×4 | ||||||||||||
| Crank (lbs) | 2,751X2 | 2,751X2 | 2,339X2 | 1,252×2 | 1,642×2 | 1,252×2 | |||||||||||||
| Wrist Pin Bore Positions (in) | 42 | 36 | 30 | 42 | 36 | 30 | 42 | 36 | 30 | 37 | 32 | 27 | 42 | 36 | 30 | 42 | 36 | 30 | |
| Stroke Lengths (in) | 86 | 74 | 61 | 86 | 74 | 61 | 86 | 74 | 61 | 100 | 86 | 73 | 120 | 102 | 85 | 100 | 86 | 73 | |
| Bridle | Type | Φ28 | Φ28 | Φ28 | Φ26 | Φ26 | Φ26 | ||||||||||||
| Length (in) | 295 | 295 | 295 | 312 | 350 | 350 | |||||||||||||
| Structure Unbalance (lbs) | 1,786 | 1,786 | 1,786 | 121 | -189 | -189 | |||||||||||||
| Overall Size LXWXH (in) | 375.35X89.06X294.88 | 375.35X89.06X294.88 | 423X89.06X294.88 | 441.8X87.2X259.8 | 419.7X87.2X296.5 | 393X89.06X294.88 | |||||||||||||
| Total Weight (lbs) | 36,602 | 38,355 | 40,249 | 31,576 | 33,560 | 26,681 | |||||||||||||
| Model | C320D-256-120TH | C320D-256-144TH | C320D-256-144TL | C320D-256-120TL | C320D-256-120WL | C320D-305-100TH | |||||||||||||||||
| Basic Parameters | Load Rating (lbs) | 25,600 | 25,600 | 25,600 | 25,600 | 25,600 | 30,500 | ||||||||||||||||
| Stroke Length (in) | 120/102/85 | 144/125/105 | 144/125/105 | 120/102/85 | 120/102/85 | 100/85/70 | |||||||||||||||||
| Max. Stroke (r/min) | 12 | ||||||||||||||||||||||
| Rated Torque (in.lbs) | 320,000 | ||||||||||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | ||||||||||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 320,000 | |||||||||||||||||||||
| Model | 320D | ||||||||||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||||||||||
| Gear Ratio | 28.807 | ||||||||||||||||||||||
| Center Range (in) | 37.4 | ||||||||||||||||||||||
| Center Height (in) | 23.23 | ||||||||||||||||||||||
| Oil Storage (U.S. Gal) | 75 | ||||||||||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||||||||||
| Big Pulley Diameter(in) | 36 | 36 | 36 | 40 | 36 | 36 | |||||||||||||||||
| Pulley Groove Type | C | ||||||||||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 2,580X4 | 1,446X4 | 2,028X4 | 2,226X4 | 2,750X4 | 2,227X4 | ||||||||||||||||
| Crank (lbs) | 3,254X2 | 3,016X2 | 3,016X2 | 3,254X2 | 2,524X2 | 3,254X2 | |||||||||||||||||
| Wrist Pin Bore Positions (in) | 42 | 36 | 30 | 47 | 41 | 35 | 47 | 41 | 35 | 42 | 36 | 30 | 42 | 36 | 30 | 42 | 36 | 30 | |||||
| Stroke Lengths (in) | 120 | 102 | 85 | 144 | 125 | 105 | 144 | 125 | 105 | 120 | 102 | 85 | 120 | 102 | 85 | 100 | 85 | 70 | |||||
| Bridle | Type | Φ28 | Φ28 | Φ28 | Φ28 | Φ28 | Φ28 | ||||||||||||||||
| Length (in) | 360 | 400 | 400 | 360 | 360 | 312 | |||||||||||||||||
| Structure Unbalance (lbs) | 362 | -485 | -485 | 362 | 362 | 362 | |||||||||||||||||
| Overall Size LXWXH (in) | 426X95.43X300.9 | 462X95.4X341.5 | 462X95.4X341.5 | 497X95.43X300.9 | 464X95.43X300.9 | 426X95.43X300.9 | |||||||||||||||||
| Total Weight (lbs) | 46,135 | 43,530 | 47,429 | 45,675 | 51,940 | 43,980 | |||||||||||||||||
| Model | C456D-305-168TH | C456D-305-168TL | C456D-365-120TL | C456D-305-144TL | C456D-305144TH | C456D-365-120TH | |||||||||||||||||
| Basic Parameters | Load Rating (lbs) | 30,500 | 30,500 | 36,500 | 30,500 | 30,500 | 36,500 | ||||||||||||||||
| Stroke Length (in) | 168/145/124 | 168/145/124 | 120/105/90 | 144/124/106 | 168/145/124 | 120/105/90 | |||||||||||||||||
| Max. Stroke (r/min) | 10 | ||||||||||||||||||||||
| Rated Torque (in.lbs) | 456,000 | ||||||||||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | ||||||||||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 456,000 | |||||||||||||||||||||
| Model | 456D | ||||||||||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||||||||||
| Gear Ratio | 28.25 | ||||||||||||||||||||||
| Center Range (in) | 39.37 | ||||||||||||||||||||||
| Center Height (in) | 25.59 | ||||||||||||||||||||||
| Oil Storage (U.S. Gal) | 111 | ||||||||||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||||||||||
| Big Pulley Diameter(in) | 44 | 44 | 44 | 44 | 44 | 44 | |||||||||||||||||
| Pulley Groove Type | C | ||||||||||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 2,535×4 | 2,535×4 | 28,77X4 | 31,79×4 | 2,535×4 | 3,499X4 | ||||||||||||||||
| Crank (lbs) | 4,004×2 | 3,968×2 | 3,968×2 | 3,968×2 | 3,968×2 | 3,968×2 | |||||||||||||||||
| Wrist Pin Bore Positions (in) | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | |||||
| Stroke Lengths (in) | 168 | 145 | 124 | 168 | 145 | 124 | 120 | 105 | 90 | 144 | 124 | 106 | 144 | 124 | 106 | 120 | 105 | 90 | |||||
| Bridle | Type | Φ32 | Φ32 | Φ32 | Φ32 | Φ32 | Φ32 | ||||||||||||||||
| Length (in) | 446 | 446 | 360 | 400 | 400 | 360 | |||||||||||||||||
| Structure Unbalance (lbs) | -313 | -313 | 1,937 | -1,896 | -1,896 | 1,937 | |||||||||||||||||
| Overall Size LXWXH (in) | 499.8X109.37X362.9 | 565.5X109.37X431.5 | 494X109.37X362.87 | 532X109.37X405.5 | 466X109.37X344.3 | 412.4X109.37X362.87 | |||||||||||||||||
| Total Weight (lbs) | 58,065 | 59,528 | 61,424 | 61,074 | 56,286 | 62,505 | |||||||||||||||||
| Model | C640D-365-168TH | C640D-365-168TL | C640D-365-168WL | C640D-365-144TH | C640D-365-144TL | |||||||||||
| Basic Parameters | Load Rating (lbs) | 36,500 | 36,500 | 36,500 | 36,500 | 36,500 | ||||||||||
| Stroke Length (in) | 168/145/124 | 168/145/124 | 168/145/124 | 144/124/106 | 144/124/106 | |||||||||||
| Max. Stroke (r/min) | 10 | |||||||||||||||
| Rated Torque (in.lbs) | 640,000 | |||||||||||||||
| Balanced Type | Crank Balanced | |||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | |||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 640,000 | ||||||||||||||
| Model | 640D | |||||||||||||||
| Gear Type | Involute Gear Reducer | |||||||||||||||
| Gear Ratio | 27.214 | |||||||||||||||
| Center Range (in) | 41.34 | |||||||||||||||
| Center Height (in) | 25.98 | |||||||||||||||
| Oil Storage (U.S. Gal) | 106 | |||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | |||||||||||||||
| Big Pulley Diameter(in) | 50 | |||||||||||||||
| Pulley Groove Type | C | |||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 4,343×4 | 4,343×4 | 4,343×4 | 3,176×4 | 3,176×4 | ||||||||||
| Crank (lbs) | 3,968×2 | 3,968×2 | 3,968×2 | 3,968×2 | 3,968×2 | |||||||||||
| Wrist Pin Bore Positions (in) | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | |
| Stroke Lengths (in) | 168 | 145 | 124 | 168 | 145 | 124 | 168 | 145 | 124 | 144 | 124 | 106 | 144 | 124 | 106 | |
| Bridle | Type | Φ32 | Φ32 | Φ32 | Φ32 | Φ32 | ||||||||||
| Length (in) | 446 | 446 | 446 | 400 | 400 | |||||||||||
| Structure Unbalance (lbs) | -1,411 | -1,411 | -1,411 | 313 | 313 | |||||||||||
| Overall Size LXWXH (in) | 492X107.8X355 | 563X107.8X355 | 544X107.8X355 | 466X107.8X344 | 532.9X107.8X344 | |||||||||||
| Total Weight (lbs) | 67,412 | 68,807 | 72,709 | 62,282 | 63,385 | |||||||||||
| Model | C912D-365-192TL | C912D-305-192TH | C912D-365-168TH | C912D-427-144TH | C912D-365-168TL | C912D-427-144TL | |||||||||||||||
| Basic Parameters | Load Rating (lbs) | 30,500 | 30,500 | 36,500 | 42,700 | 36,500 | 42,700 | ||||||||||||||
| Stroke Length (in) | 192/165/139/113 | 192/165/139/113 | 168/145/124 | 144/124/106 | 168/145/124 | 144/124/106 | |||||||||||||||
| Max. Stroke (r/min) | 10 | ||||||||||||||||||||
| Rated Torque (in.lbs) | 912,000 | ||||||||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | ||||||||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 912,000 | |||||||||||||||||||
| Model | 912D | ||||||||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||||||||
| Gear Ratio | 28.79 | ||||||||||||||||||||
| Center Range (in) | 48.425 | ||||||||||||||||||||
| Center Height (in) | 30.9 | ||||||||||||||||||||
| Oil Storage (U.S. Gal) | 180 | ||||||||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||||||||
| Big Pulley Diameter(in) | 50 | ||||||||||||||||||||
| Pulley Groove Type | C | ||||||||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 4,597×4 | 4,597×4 | 5,588×4 | 5,588×4 | 5,588×4 | 5,588×4 | ||||||||||||||
| Crank (lbs) | 4,541×2 | 4,541×2 | 4,541×2 | 4,541×2 | 4,541×2 | 4,541×2 | |||||||||||||||
| Wrist Pin Bore Positions (in) | 53 | 46 | 39 | 32 | 53 | 46 | 39 | 32 | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | 47 | 41 | 35 | |
| Stroke Lengths (in) | 192 | 165 | 139 | 113 | 192 | 165 | 139 | 113 | 168 | 145 | 124 | 144 | 124 | 106 | 168 | 145 | 124 | 144 | 124 | 106 | |
| Bridle | Type | Φ32 | Φ32 | Φ32 | Φ32 | Φ32 | Φ32 | ||||||||||||||
| Length (in) | 488 | 488 | 446 | 400 | 446 | 400 | |||||||||||||||
| Structure Unbalance (lbs) | -1,477 | -1,477 | -1,411 | -230 | -1,411 | -230 | |||||||||||||||
| Overall Size LXWXH (in) | 503.2X113.7X386.4 | 503.2X113.7X386.4 | 503X113.7X355.1 | 473X113.7X344.3 | 571X113.7X355.1 | 541.5X113.7X344.3 | |||||||||||||||
| Total Weight (lbs) | 78,511 | 77,268 | 80,357 | 79,910 | 81,600 | 80,787 | |||||||||||||||
| Model | C1280D-365-240TH | C1280D-365-240TL | C1280D-427-216TH | C1280D-427-216TL | |||||||||||||||
| Basic Parameters | Load Rating (lbs) | 36,500 | 36,500 | 42,700 | 42,700 | ||||||||||||||
| Stroke Length (in) | 240/209/179/151 | 240/209/179/151 | 216/185/155/126 | 216/185/155/126 | |||||||||||||||
| Max. Stroke (r/min) | 6 | ||||||||||||||||||
| Rated Torque (in.lbs) | 1,280,000 | ||||||||||||||||||
| Balanced Type | Crank Balanced | ||||||||||||||||||
| Crank Direction | Clockwise and Counterclockwise | ||||||||||||||||||
| Gear Reducer | Rated Torque (in.lbs) | 1,280,000 | |||||||||||||||||
| Model | 1280D | ||||||||||||||||||
| Gear Type | Involute Gear Reducer | ||||||||||||||||||
| Gear Ratio | 28.663 | ||||||||||||||||||
| Center Range (in) | 56.7 | ||||||||||||||||||
| Center Height (in) | 34.25 | ||||||||||||||||||
| Oil Storage (U.S. Gal) | 180 | ||||||||||||||||||
| Lubricant | 120# Gear Lubricant in Winter, 200# Gear Lubricant in Summer | ||||||||||||||||||
| Big Pulley Diameter(in) | 60 | ||||||||||||||||||
| Pulley Groove Type | C | ||||||||||||||||||
| Balance Assembly | Weight Counter (lbs) | 7,330×4 | 7,330×4 | 5,588×4 | 5,588×4 | ||||||||||||||
| Crank (lbs) | 4,541×2 | 4,541×2 | 4,541×2 | 4,541×2 | |||||||||||||||
| Wrist Pin Bore Positions (in) | 60 | 53 | 46 | 39 | 60 | 53 | 46 | 39 | 53 | 46 | 39 | 32 | 53 | 46 | 39 | 32 | |||
| Stroke Lengths (in) | 240 | 209 | 179 | 151 | 240 | 209 | 179 | 151 | 216 | 185 | 155 | 126 | 216 | 185 | 155 | 126 | |||
| Bridle | Type | Φ32 | Φ32 | Φ32 | Φ32 | ||||||||||||||
| Length (in) | 585 | 585 | 532 | 532 | |||||||||||||||
| Structure Unbalance (lbs) | |||||||||||||||||||
| Overall Size LXWXH (in) | 532.44X128.39X462.05 | 582.44X128.39X462.05 | 503.19X128.39X344.25 | 553.19X128.39X344.25 | |||||||||||||||
| Total Weight (lbs) | 101,340 | 103,545 | 92,493 | 94,698 | |||||||||||||||
Features
1. The unit is reasonable in structure, stable in performance, low in noise emission and easy for maintenance;
2. The horse head can be easily pivoted aside, upward or detached for well service;
3. The belt brake mechanism is complete with fail-safe device for flexible performance, quick brake and reliable operation;
4. The post is of tower structure design, excellent in stability and easy for installation. The heavy load unit deploys a foldable post for ease of packing and transportation;
5. The crank counterbalance assembly is moved by rack and pinion mechanism for easy and correct adjustment;
6. The prime mover can be conventional electric motor, variable frequency electric motor, diesel engine or gas engine.
