HC-1235 F Crane Duty Gearbox
Three stage helical gearbox with three reduction stages, case-hardened and profile-ground gears, roller bearings throughout and a solid output shaft. Heavy duty fabricated steel housing.
Dimensions (mm)
| Code | Dimension | Fabricated |
|---|---|---|
| Shafts | ||
| ØD1 | Input shaft Ø | 100 |
| L1 | Input shaft length | 185 |
| ØD2 | Output shaft Ø | 270 |
| L2 | Output shaft length | 400 |
| N | 280 | |
| M | 510 | |
| Overall | ||
| C | Centre distance, input to output | 1235 |
| A | Overall length | 2350 |
| H | Overall height | 1245 |
| h | Shaft centre height | 620 |
| S | 2090 | |
| W | 800 | |
| B | Base width | 840 |
| Foot & mounting | ||
| Z | 415 | |
| T | 130 | |
| P | 678 | |
| Q | 465 | |
| R | 687 | |
| U | 130 | |
| F | 710 | |
| ØK | Foot bolt hole Ø | 38 |
| Keys | ||
| X1 | Input key width | 28 |
| Y1 | Input shaft to key top | 106.5 |
| X | Output key width | 63 |
| Y | Output shaft to key top | 282 |
| Weight & oil | ||
| Weight | Average weight | 5800 kg |
| Oil | Oil quantity | 350 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 |
|---|---|---|---|---|
| 25:1 | 60 | 1095 | 780 | 624 |
| 31.5:1 | 47.6 | 936.2 | 666.9 | 533.5 |
| 35.5:1 | 42.3 | 800.4 | 570.1 | 456.1 |
| 45:1 | 33.3 | 684.4 | 487.5 | 390 |
| 50:1 | 30 | 585.1 | 416.8 | 333.4 |
| 63:1 | 23.8 | 500.3 | 356.3 | 285 |
| 80:1 | 18.8 | 427.7 | 304.7 | 243.7 |
| 90:1 | 16.7 | 365.7 | 260.5 | 208.4 |
| 100:1 | 15 | 312.7 | 222.7 | 178.1 |
| 112:1 | 13.4 | 267.3 | 190.4 | 152.3 |
| 120:1 | 12.5 | 228.5 | 162.8 | 130.2 |
| 140:1 | 10.7 | 195.4 | 139.2 | 111.3 |
| 150:1 | 10 | 167.1 | 119 | 95.2 |
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 168 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-1235
| ØD | ØP | ØS | C | SL1 | T | ØDR | ØB | BL |
|---|---|---|---|---|---|---|---|---|
| 900 | 750 | 600 | 640 | 7 | 80 | 48 | 310 | 90 |
| 1000 | 825 | 650 | 640 | 7 | 80 | 48 | 310 | 90 |
| 1100 | 900 | 700 | 640 | 7 | 80 | 48 | 310 | 90 |
All dimensions in mm. Other gear ring sizes on request. Request a certified drawing before manufacture.
Need a price or a certified GA drawing?
Send the duty for HC-1235 F and we reply with price, delivery and a certified GA drawing.