M-145D Rhino MAAP

Name: M-145D Mobile Artillery Assault Platform
Craft: Chalybs Defense Solutions M-145D Mobile Artillery Assault Platform
Type: Prototype Self-Propelled Artillery
Scale: walker
Length: 15.6 x 9 meters
Skill: ground vehicle operations
Crew: 1
Cargo Capacity: 75kg
Cover: full
Maneuverability: 0D+1
Move: 28; 80 km/h
Body Strength: 6D+2
Weapons

Prototype Zeus 320mm Cannon

Fire Arc: turret
Crew: 1
Scale: starfighter
Skill: missile weapons
Fire Control: 1D
Range: 1-700/1,800/3,500m
Damage: 6D

Description: The M-145D Mobile Artillery Assault Platform (MAAP), commonly known as the Rhino, is a UNSC artillery tank. Using a prototype plasma cannon, it represented the first successful attempt by the UNSC to introduce a reverse-engineered technology from the Covenant Empire.

Source:

Halo Wiki: M-145D Mobile Artillery Assault Platform
thedemonapostle