1. African Elephant
Average Mass (lb): 18,500 (8500 kg)
Maximum Mass (lb): 27,000 (13000 kg)
Average Length (ft): 21.85

Average Mass (lb): 8,750 (4200 kg)
Maximum Mass (lb): 11,000 (5200 kg)
Average Length (ft): 19.5

3. White Rhinoceros
Average Mass (lb): 5,000 (2350 kg)
Maximum Mass (lb): 7,920 (3850 kg)
Average Length (ft): 12.5

4. Hippopotamus
Average Mass (lb): 5,250 (2500 kg)
Maximum Mass (lb): 7,100 (3400 kg)
Average Length (ft): 11

5. Gaur
Average Mass (lb): 3,300 (1600 kg)
Maximum Mass (lb): Unknown
Average Length (ft): 9.8

6. Giraffe
Average Mass (lb): 3,000 (1400 kg)
Maximum Mass (lb): 4,400 (2100 kg)
Average Length (ft): 15.4

7. Walrus
Average Mass (lb): 2,645 (1200 kg)
Maximum Mass (lb): 4,500 (2150 kg)
Average Length (ft): 11

8. Black Rhinoceros
Average Mass (lb): 2,420 (1150 kg)
Maximum Mass (lb): 4,000 (1900 kg)
Average Length (ft): 11.25

9. Saltwater crocodile
Average Mass (lb): 1,700 (785 kg)
Maximum Mass (lb): 3,300 (1600 kg)
Average Length (ft): 20

10. Wild Asian Water buffalo
Average Mass (lb): 1,684 (770 kg)
Maximum Mass (lb): 2,640 (1250 kg)
Average Length (ft): 11.4

Via wikipedia
Average Mass (lb): 18,500 (8500 kg)
Maximum Mass (lb): 27,000 (13000 kg)
Average Length (ft): 21.85

The
heaviest terrestrial animals found on earth can be measured using a
variety of methods. It could be defined as the largest by volume, mass,
height, or length. The following is a list of top ten heaviest land
animals of the world. The walrus is included as it spends much of its
time on land.
2. Asian ElephantAverage Mass (lb): 8,750 (4200 kg)
Maximum Mass (lb): 11,000 (5200 kg)
Average Length (ft): 19.5

3. White Rhinoceros
Average Mass (lb): 5,000 (2350 kg)
Maximum Mass (lb): 7,920 (3850 kg)
Average Length (ft): 12.5

4. Hippopotamus
Average Mass (lb): 5,250 (2500 kg)
Maximum Mass (lb): 7,100 (3400 kg)
Average Length (ft): 11

5. Gaur
Average Mass (lb): 3,300 (1600 kg)
Maximum Mass (lb): Unknown
Average Length (ft): 9.8

6. Giraffe
Average Mass (lb): 3,000 (1400 kg)
Maximum Mass (lb): 4,400 (2100 kg)
Average Length (ft): 15.4

7. Walrus
Average Mass (lb): 2,645 (1200 kg)
Maximum Mass (lb): 4,500 (2150 kg)
Average Length (ft): 11

8. Black Rhinoceros
Average Mass (lb): 2,420 (1150 kg)
Maximum Mass (lb): 4,000 (1900 kg)
Average Length (ft): 11.25

9. Saltwater crocodile
Average Mass (lb): 1,700 (785 kg)
Maximum Mass (lb): 3,300 (1600 kg)
Average Length (ft): 20

10. Wild Asian Water buffalo
Average Mass (lb): 1,684 (770 kg)
Maximum Mass (lb): 2,640 (1250 kg)
Average Length (ft): 11.4

Via wikipedia