Is Heatran viable in Gen 4 OU?

Heatran is ranked #5 in Gen 4 OU with 27.92% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Heatran in Gen 4 OU?

Gyarados has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 84.1% of 22.201485467891647 relevant encounters. Standard error is 7.8 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 · Smogon source period Jul 2026 - Sep 2026

#0485 Heatran

FireSteel

USAGE 27.9% #5

ABILITYFlash Fire

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 74.0% Earth Power 56.8% Stealth Rock 54.3% Lava Plume 38.1% Fire Blast 37.0% Protect 29.8% Flamethrower 20.8% Hidden Power Grass 15.1%

Items

Leftovers 47.5% Shuca Berry 12.5% Choice Scarf 10.2% Passho Berry 9.7% Focus Sash 5.0% Chople Berry 4.2% Life Orb 4.1% Choice Specs 3.6%

Abilities

Flash Fire100.0%

Common Teammates

Browse Gen 4 OU teams using Heatran →

Explore Heatran + Gyarados teams 53 score Explore Heatran + Tyranitar teams 47 score Explore Heatran + Latias teams 29 score Explore Heatran + Clefable teams 14 score Explore Heatran + Jirachi teams 3 score Explore Heatran + Heatran teams 2 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 56.7% 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

22.201

53.0

84.1% Standard error 7.76 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 →

Tyranitar

RockDark OFFENSIVE CHECK View matchup

114.741

47.1

64.9% Standard error 4.46 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 →

Latias

DragonPsychic SOFT CHECK View matchup

144.444

28.7

45.3% Standard error 4.14 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 →

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 →

Jirachi

SteelPsychic SOFT CHECK View matchup

110.238

3.5

18.2% Standard error 3.67 points

DAMAGE CALC

0- SpA Jirachi Hidden Power Ground vs. 252 HP / 252+ SpD Heatran: 128-152 (33.1 - 39.3%) -- 8.1% chance to 3HKO after Leftovers recovery

View Jirachi counters → Teams with Jirachi →

Heatran

FireSteel SOFT CHECK View matchup

21.548

1.6

44.5% Standard error 10.71 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 →

Ranked #5 with 27.92% usage. Sorted by conservative score.