Team
: The Leonic Commonwealth

# Chieftain Mk.5

Role
: Main Battle Tank

## [General information](/md/rv/vehicles/chieftain-mk5.md#general-information)

Description
: The **Chieftain Mk.5** is a Main Battle Tank, the definitive production variant of the British Chieftain series that served from the 1960s into the 1990s, notable for its reclining driver position and **120mm L11A5** rifled gun. It weighs 55 tonnes with a crew of four — driver, gunner, commander, and loader — and is tracked. The **Leyland L60** multi-fuel engine delivers 760 hp for 13.8 hp/t and a top speed of 48 km/h, with neutral steering.
The main gun is stabilized and supported by a **12.7 mm L21A1** ranging machine gun and coaxial **7.62mm L8A1**; the turret has smoke grenades and a fire control system with 8x main and 7x backup sights. The commander has a stabilized **7.62mm L37A1** and 1x–10x sight.

Locomotion
: Tracked

Supported classes
: Crewman

Obtainment
: Free

## [In-game availability](/md/rv/vehicles/chieftain-mk5.md#in-game-availability)

| Team/Loadout                                         | [Cold War](/md/rv/loadouts/cold-war.md) |
| ---------------------------------------------------- | --------------------------------------- |
| [Eagle Federation](/md/rv/teams/eagle-federation.md) | Tier 4                                  |

## [Vehicle](/md/rv/vehicles/chieftain-mk5.md#vehicle)

| Weight           | 55 t      |
| ---------------- | --------- |
| Seating capacity | 4         |
| Driver           | 1         |
| Gunner           | 1         |
| Commander        | 1         |
| Loader           | 1         |
| Max speed        |           |
| Forward          | 48 km/h   |
| Backward         | 11.1 km/h |

## [Powertrain](/md/rv/vehicles/chieftain-mk5.md#powertrain)

| Engine                | Leyland L60 |
| --------------------- | ----------- |
| Type                  | Diesel      |
| Max RPM               | 2,550 RPM   |
| Horsepower            | 760 hp      |
| Power-to-weight ratio | 13.8 hp/t   |
| Transmission          |             |
| Forward gears         | 6           |
| Reverse gears         | 2           |
| Neutral steering      | Yes         |

## [Armour](/md/rv/vehicles/chieftain-mk5.md#armour)

| Lower front plate | 94 mm–109 mm  |
| ----------------- | ------------- |
| Upper front plate | 259 mm–503 mm |
| Left cheek        | 200 mm–742 mm |
| Right cheek       | 238 mm–672 mm |
| Mantlet           | 140 mm–351 mm |
| Hull side         | 39 mm–48 mm   |

## [Gunner turret](/md/rv/vehicles/chieftain-mk5.md#gunner-turret)

Feature: Stabilizer

Feature: Smoke grenades

| Traversal        |            |
| ---------------- | ---------- |
| Horizontal speed | 20 deg/s   |
| Vertical speed   | 5 deg/s    |
| Vertical limits  | -10° / 20° |

### [Weapons](/md/rv/vehicles/chieftain-mk5.md#gunner-turret-weapons)

#### [120mm L11A5](/md/rv/vehicles/chieftain-mk5.md#gunner-turret-weapon-120mm-l11a5)

| Reload speed                                            | 7.5s |
| ------------------------------------------------------- | ---- |
| Refill speed                                            | 6s   |
| Ammo                                                    | Max  |
| [Shell L31A7](/md/rv/shells/120mm-l11a5-shell-l31a7.md) | 24   |
| [Shell L34A2](/md/rv/shells/120mm-l11a5-shell-l34a2.md) | 6    |
| [Shot L15A3](/md/rv/shells/120mm-l11a5-shot-l15a3.md)   | 16   |
| Ammo models                                             |      |
| Turret ammo                                             | 34   |
| Hull ammo                                               | 12   |

#### [12.7 mm L21A1](/md/rv/vehicles/chieftain-mk5.md#gunner-turret-weapon-127-mm-l21a1)

| Reload speed                                 | 6s  |
| -------------------------------------------- | --- |
| Magazine size                                | 3   |
| Ammo                                         | Max |
| [API-T](/md/rv/shells/127-mm-l21a1-api-t.md) | \*  |
| Ammo models                                  |     |
| Rangefinder ammo                             | 196 |

#### [7.62mm L8A1](/md/rv/vehicles/chieftain-mk5.md#gunner-turret-weapon-762mm-l8a1)

| Reload speed                         | 6s  |
| ------------------------------------ | --- |
| Magazine size                        | 200 |
| Ammo                                 | Max |
| [AP](/md/rv/shells/762mm-l8a1-ap.md) | \*  |
| Ammo models                          |     |
| Coax ammo                            | 30  |

### [Sights](/md/rv/vehicles/chieftain-mk5.md#gunner-turret-sights)

#### [Main sight](/md/rv/vehicles/chieftain-mk5.md#gunner-turret-sight-1)

Feature: FCS

Fire control system

| Rangefinder     | None     |
| --------------- | -------- |
| Vertical limits | -10°–20° |
| Zoom            | 8x       |

#### [Backup sight](/md/rv/vehicles/chieftain-mk5.md#gunner-turret-sight-2)

Feature: FCS

Fire control system

| Rangefinder     | None     |
| --------------- | -------- |
| Vertical limits | -10°–20° |
| Zoom            | 7x       |

## [Commander turret](/md/rv/vehicles/chieftain-mk5.md#commander-turret)

| Traversal        |            |
| ---------------- | ---------- |
| Mouse aim        | Yes        |
| Horizontal speed | 60 deg/s   |
| Vertical speed   | 60 deg/s   |
| Vertical limits  | -10° / 30° |

### [Weapons](/md/rv/vehicles/chieftain-mk5.md#commander-turret-weapons)

#### [7.62mm L37A1](/md/rv/vehicles/chieftain-mk5.md#commander-turret-weapon-762mm-l37a1)

| Reload speed                          | 6s  |
| ------------------------------------- | --- |
| Magazine size                         | 100 |
| Ammo                                  | Max |
| [AP](/md/rv/shells/762mm-l37a1-ap.md) | \*  |
| Ammo models                           |     |
| Commander ammo                        | 20  |

### [Sights](/md/rv/vehicles/chieftain-mk5.md#commander-turret-sights)

#### [Sight 1](/md/rv/vehicles/chieftain-mk5.md#commander-turret-sight-1)

| Rangefinder | None   |
| ----------- | ------ |
| Zoom        | 1x–10x |

## [Gallery](/md/rv/vehicles/chieftain-mk5.md#gallery)

| Type      | URL                                                                          |
| --------- | ---------------------------------------------------------------------------- |
| Thumbnail | https://cdn.astrid.ovh/public-stats-images/chieftain-mk5/perspective.png     |
| Front     | https://cdn.astrid.ovh/public-stats-images/chieftain-mk5/front.png           |
| Back      | https://cdn.astrid.ovh/public-stats-images/chieftain-mk5/back.png            |
| Left      | https://cdn.astrid.ovh/public-stats-images/chieftain-mk5/left.png            |
| Right     | https://cdn.astrid.ovh/public-stats-images/chieftain-mk5/right.png           |
| Top       | https://cdn.astrid.ovh/public-stats-images/chieftain-mk5/top.png             |
| Armor     | https://cdn.astrid.ovh/public-stats-images/chieftain-mk5/armor_thumbnail.png |

ID: "Chieftain Mk 5"