
Lotus FDD 38 Hammer

Design Highlights
- Hammer to Drill a hole of dia 200-254 mm (7 7/8”– 10”).
- Lotus _FDD38 is a valve less type hammer designed for high performance at low operating air pressures
- DHD380 bit has a strong robust design to withstand heavy duty application and it does not use foot valves which reduces the possibility of hammer failure
- Lotus _FDD38 Hammer maximizes energy output and reduces service requirements.
- Wear sleeve is reversible.
- Single Start threads on Top sub and Drive sub ensure easy coupling/uncoupling of hammer.
- All critical internal components are heat treated under strict control to maximize tool longevity.
- An overall cost-effective and user friendly tool for use in the most demanding conditions.
Application: Construction & Quarry
Size | NAME OF ITEM | QTY |
1 | TOP SUB (4 1/2” API REG PIN) | 1 NO |
2 | O RING FOR TOP SUB | 1 NO |
3 | CHECK VALVE CAP | 1 NO |
4 | CHECK VALVE | 1 NO |
5 | SPRING | 1 NO |
6 | AIR DISTRIBUTOR | 1 NO |
7 | CONTROL TUBE | 1 NO |
8 | CHOKE | 1 NO |
9 | BUFFER RING | 1 NO |
10 | METAL SPACER | 1 NO |
11 | LOCK PLATE 2 PIECES | 1 NO |
12 | PISTON | 1 NO |
13 | WEAR SLEEVE | 1 NO |
14 | PISTON RETAINER RING | 1 NO |
15 | GUIDE BUSH | 1 NO |
16 | BIT RETAINER RING | 1 NO |
17 | O RING FOR BRR | 1 NO |
18 | DRIVER SUB SPACER | 1 NO |
19 | DRIVER SUB | 1 NO |
SERVICE KIT S.NO 2,3, 5, 8, 9 & 17 | 1 SET | |
HAMMER ASSEMBLY | 1 NO | |
HAMMER ASSEMBLY | 1 NO |

Hammer Specification
S. NO | DESCRIPTION | UNIT | DIMENSIONS |
1 | HAMMER LENGTH W/O BIT | MM | 1166.6 |
2 | HAMMER OUTSIDE DIA | MM | 175.0 |
3 | HAMMER WEIGHT | KG | 153.0 |
4 | CYLINDER BORE | MM | 147.0 |
5 | PISTON STROKE | MM | 90.0 APPROX |
6 | PISTON WEIGHT | KG | 41.0 |
7 | HOLE SIZES | MM | 200-254 |
8 | WRENCH SIZE A/F | MM | A/F 115 / W-42.0 |
9 | SUITABLE SHANK | — | DHD380 WITHOUT FOOT VALVE |