HD-725+150 Crane Duty Gearbox
Four stage helical gearbox with three helical stages plus a primary reduction, case-hardened and profile-ground gears, roller bearings throughout and a solid output shaft.
Dimensions (mm)
| Code | Dimension | CI body | Fabricated |
|---|---|---|---|
| Shafts | |||
| ØD1 | Input shaft Ø | 60 | 60 |
| L1 | Input shaft length | 100 | 100 |
| ØD2 | Output shaft Ø | 125 | 125 |
| L2 | Output shaft length | 200 | 200 |
| N | 145 | 145 | |
| M | 275 | 275 | |
| Overall | |||
| C | Centre distance, input to output | 725 | 725 |
| C1 | Primary shaft offset | 150 | 150 |
| A | Overall length | 1330 | 1330 |
| H | Overall height | 690 | 675 |
| h | Shaft centre height | 350 | 350 |
| h1 | Primary shaft height | 200 | 200 |
| S | 1190 | 1190 | |
| W | 440 | 440 | |
| B | Base width | 440 | 440 |
| Foot & mounting | |||
| Z | 255 | 255 | |
| T | 50 | 50 | |
| P | 410 | 410 | |
| Q | 280 | 280 | |
| R | 400 | 400 | |
| U | – | 50 | |
| F | 370 | 370 | |
| ØK | Foot bolt hole Ø | 29 | 29 |
| Keys | |||
| X1 | Input key width | 18 | 18 |
| Y1 | Input shaft to key top | 64.5 | 64.5 |
| X | Output key width | 32 | 32 |
| Y | Output shaft to key top | 132.5 | 132.5 |
| Weight & oil | |||
| Weight | Average weight | 1050 kg | 1150 kg |
| Oil | Oil quantity | 80 L | 80 L |
Letter codes match the GA drawing. Weight and oil quantity are indicative. Dimensions are subject to change with product development.
Power ratings
| Ratio i | n₂ rpm | kW @1500 | kW @1000 | kW @750 |
|---|---|---|---|---|
| 160:1 | 9.4 | 53.2 | 35.8 | 28.6 |
| 180:1 | 8.3 | 45.2 | 30.4 | 24.3 |
| 200:1 | 7.5 | 38.4 | 25.9 | 20.7 |
| 224:1 | 6.7 | 32.6 | 22 | 17.6 |
| 250:1 | 6 | 27.7 | 18.7 | 14.9 |
| 280:1 | 5.4 | 23.6 | 15.9 | 12.7 |
| 315:1 | 4.8 | 20 | 13.5 | 10.8 |
| 355:1 | 4.2 | 17 | 11.4 | 9.1 |
| 400:1 | 3.8 | 14.5 | 9.7 | 7.8 |
| 450:1 | 3.3 | 12.3 | 8.3 | 6.6 |
| 500:1 | 3 | 10.4 | 7 | 5.6 |
| 560:1 | 2.7 | 8.9 | 5.9 | 4.7 |
Nominal input power in kW at the stated input speed. n₂ is the nominal output speed at 1500 rpm input. Consult J.S. Gear for application-specific selection.
Output shaft loading
Permissible overhung load on the output shaft is 42 kN, acting at the middle of the shaft extension (L/2). Above this, support the drum on its own shaft and bearings with a flexible coupling, or use the standard gear ring below.
Standard gear ring · HC-725
| ØD | ØP | ØS | C | SL1 | T | ØDR | ØB | BL |
|---|---|---|---|---|---|---|---|---|
| 550 | 475 | 300 | 350 | 5 | 38 | 21 | 140 | 50 |
| 625 | 550 | 350 | 350 | 5 | 38 | 21 | 140 | 50 |
| 680 | 600 | 450 | 350 | 5 | 38 | 21 | 140 | 50 |
All dimensions in mm. Other gear ring sizes on request. Request a certified drawing before manufacture.
Need a price or a certified GA drawing?
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