Is Heatran viable in Gen 4 OU?

Heatran is ranked #6 in Gen 4 OU with 26.33% usage according to Smogon May 2026 - Jul 2026 data.

What beats Heatran in Gen 4 OU?

Gyarados has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 84.2% of 22.99005702733601 relevant encounters. Standard error is 7.6 points. Sets and switch conditions can change the result.

How are Heatran matchup checks ranked in Gen 4 OU?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Heatran was knocked out or switched out. This is not a set-specific battle guarantee.

Heatran counters

Gen 4 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0485 Heatran

FireSteel

USAGE 26.3% #6

BASE STATS

HP 91

ATK 90

DEF 106

SPA 130

SPD 106

SPE 77

BST600

TYPE MATCHUPS

4×

Ground

2×

WaterFighting

½×

NormalFlyingPsychicDragon

¼×

GrassIceBugSteelFairy

0×

Poison

Moves

Explosion 62.3% Earth Power 55.9% Stealth Rock 42.6% Lava Plume 38.1% Protect 37.5% Fire Blast 37.3% Flamethrower 20.4% Hidden Power Grass 17.0%

Items

Leftovers 50.2% Shuca Berry 12.7% Passho Berry 10.4% Choice Scarf 8.7% Choice Specs 5.0% Life Orb 4.3% Chople Berry 3.9% Focus Sash 2.6%

Common Teammates

Browse Gen 4 OU teams using Heatran →

Explore Heatran + Gyarados teams 54 score Explore Heatran + Starmie teams 41 score Explore Heatran + Tyranitar teams 29 score Explore Heatran + Swampert teams 26 score Explore Heatran + Latias teams 22 score Explore Heatran + Flygon teams 21 score

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Heatran + Latias 46.2% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Gyarados

WaterFlying OFFENSIVE CHECK View matchup

22.99

53.8

84.2% Standard error 7.60 points

DAMAGE CALC

252+ Atk Gyarados Earthquake vs. 252 HP / 0 Def Heatran: 444-524 (115 - 135.7%) -- guaranteed OHKO

View Gyarados counters → Teams with Gyarados →

Starmie

WaterPsychic OFFENSIVE CHECK View matchup

32.989

40.7

72.0% Standard error 7.82 points

DAMAGE CALC

0- SpA Starmie Hydro Pump vs. 252 HP / 252+ SpD Heatran: 162-192 (41.9 - 49.7%) -- guaranteed 3HKO after Leftovers recovery

View Starmie counters → Teams with Starmie →

Tyranitar

RockDark OFFENSIVE CHECK View matchup

102.665

28.5

61.2% Standard error 8.17 points

DAMAGE CALCSand

252+ Atk Choice Band Tyranitar Earthquake vs. 252 HP / 0 Def Heatran: 700-824 (181.3 - 213.4%) -- guaranteed OHKO

View Tyranitar counters → Teams with Tyranitar →

Swampert

WaterGround OFFENSIVE CHECK View matchup

24.967

25.9

64.3% Standard error 9.59 points

DAMAGE CALC

252+ Atk Swampert Earthquake vs. 252 HP / 0 Def Heatran: 612-720 (158.5 - 186.5%) -- guaranteed OHKO

View Swampert counters → Teams with Swampert →

Latias

DragonPsychic SOFT CHECK View matchup

140.602

21.5

50.3% Standard error 7.21 points

DAMAGE CALC

252+ SpA Choice Specs Latias Surf vs. 252 HP / 252+ SpD Heatran: 210-248 (54.4 - 64.2%) -- guaranteed 2HKO after Leftovers recovery

View Latias counters → Teams with Latias →

Flygon

GroundDragon OFFENSIVE CHECK View matchup

27.917

21.2

58.5% Standard error 9.33 points

DAMAGE CALC

252+ Atk Flygon Earthquake vs. 252 HP / 0 Def Heatran: 576-676 (149.2 - 175.1%) -- guaranteed OHKO

View Flygon counters → Teams with Flygon →

Clefable

Fairy SOFT CHECK View matchup

24.202

13.9

54.4% Standard error 10.12 points

DAMAGE CALC

Clefable Seismic Toss vs. 252 HP Heatran: 100-100 (25.9 - 25.9%) -- guaranteed 5HKO after Leftovers recovery

View Clefable counters → Teams with Clefable →

Heatran

FireSteel SOFT CHECK View matchup

27.719

8.1

45.9% Standard error 9.47 points

DAMAGE CALC

252+ Atk Heatran Explosion vs. 252 HP / 0 Def Heatran: 221-260 (57.2 - 67.3%) -- guaranteed 2HKO after Leftovers recovery

View Heatran counters → Teams with Heatran →

Skarmory

SteelFlying SOFT CHECK View matchup

27.678

-5.1

0.6% Standard error 1.42 points

DAMAGE CALC

252+ Atk Skarmory Brave Bird vs. 252 HP / 0 Def Heatran: 74-87 (19.1 - 22.5%) -- possible 6HKO

View Skarmory counters → Teams with Skarmory →

Jirachi

SteelPsychic SOFT CHECK View matchup

114.901

-5.8

18.4% Standard error 6.04 points

DAMAGE CALC

0- SpA Jirachi Thunderbolt vs. 252 HP / 252+ SpD Heatran: 43-51 (11.1 - 13.2%)

View Jirachi counters → Teams with Jirachi →

Scizor

BugSteel SOFT CHECK View matchup

23.531

-11.3

23.9% Standard error 8.79 points

DAMAGE CALC

252+ Atk Scizor Superpower vs. 252 HP / 0 Def Heatran: 274-324 (70.9 - 83.9%) -- guaranteed 2HKO after Leftovers recovery

View Scizor counters → Teams with Scizor →

Ranked #6 with 26.33% usage. Sorted by conservative score.