Valmiki Ramayana Yuddha Kanda Sarga 43 Shloka 35
Original Shlokaतंरथस्थमथोदृष्टवासुषेणोवानरोत्तमः । गिरिशृङ्गेणमहतारथमाशुन्यपातयत् ।।6.43.35।।
1 source checked for this shloka
अथो Nay!, वानरोत्तमः leader of Vanaras, सुषेणः Sushena, रथस्थम् chariot, तम् him, दृष्टवा top, महता great, गिरिशृङ्गेण peak of the mountain, आशु there, रथम् chariot, न्यपातयत् crushed.
Nay, Sushena, the leader of Vanaras, saw himself down and Jambumali on top in the chariot. He crushed him with a big mountain peak.