D
Land ForcesJapan

Type 99

155mm self-propelled howitzerFielded 2002Pending verification
Land ForcesJPN
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
Type155mm self-propelled howitzer
Date of introduction2002
ProliferationOrigin country only
ManufacturerMitsubishi Heavy Industries/Japan Steel WorksMed[1]
Crew4Med[1]
Dimensions and weight
Width3.2 m10 ftMed[1]
Weight0.04 tAutomated check: outside the expected range for this type; verify against the source.Low[1]
Automotive performance
ChassisType 99Med[1]
Engine1 x Mitsubishi 6SY31WAMed[1]
Engine power600 hpMed[1]
Max road speed49 km/h30 mph · 26 ktMed[1]
Fording depth1.2 mMed[1]
Suspension7 dual rubber-tired road wheels on both sides with a drive sprocket on the front and an idler wheel at the rear. The howitzer is also equipped with return rollers.Med[1]
Protection
Hull ArmorArmor of the Type 99 provides protection against small arms fire and artillery shell splintersMed[1]
Turret ArmorProtection against small arms fire and artillery shell splintersMed[1]
NBC ProtectionYesMed[1]
Armament
Rate of fire (max)18 in 3 minutesMed[1]
Main armamentL52 version of the FH-70 towed howitzer, 155mm/39 calMed[1]
Secondary armament1 x M2 BrowningMed[1]
Maximum firing range30 km19 mi · 16 nmi30,000 m (rocket assisted)Med[1]
Weapons and payload options · 1Confidence · Source
Frag-HE155 mm ammunition
Med[1]
Range
19 km12 mi · 10 nmi
Summary

The Type 99 howitzer replaced the Type 75 howitzer. The Japanese Defense Agency Technical Research Division designed the howitzer.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
Japan
Sources
  1. Type 99 Japanese 155mm Self-Propelled Howitzer (SPH), U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import