Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG (For Hitachi EX300-5)
01 UPPERSTRUCTURE

001 FRAME

002 CENTER JOINT PARTS (UPPERSTRUCTURE)

003 COUNTER WEIGHT (6.8ton)<300,LC><330LC>

004 COUNTER WEIGHT (7.55ton)<350H,LCH><370><370HD>

005 COUNTER WEIGHT (8.2ton)<350K,LCK>

006 ENGINE

007 ENGINE SUPPORT

008 RADIATOR

009 RADIATOR SUPPORT

010 RESERVE TANK

011 AIR CLEANER

012 AIR CLEANER SUPPORT

013 AIR CLEANER PARTS

014 PRE CLEANER <SELECT>

015 MUFFLER

016 FUEL TANK

017 FUEL TANK SUPPORT

018 FUEL PIPINGS

019 FUEL FEED PUMP <SELECT>

020 FUEL DOUBLE FILTER <SELECT>

021 PUMP DEVICE

022 PUMP DEVICE SUPPORT

023 SWING DEVICE

024 SWING DEVICE SUPPORT

025 OIL TANK

026 SUCTION PIPINGS

027 DELIVERY PIPINGS

028 RETURN PIPINGS (1)

029 RETURN PIPINGS (2)

030 DRAIN PIPINGS

031 MAIN PIPINGS (1)

032 MAIN PIPINGS (2)

033 MAIN PIPINGS (3)

034 MAIN PIPINGS (4)

035 BOOM BOTTOM PIPINGS

036 ENGINE CONTROL

037 ENGINE CONTROL MOTOR

038 ENGINE STOP CABLE

039 CONTROL LEVER (FRONT & SWING)

040 GRIP (R)

041 GRIP (L)

042 PILOT VALVE (FRONT & SWING)

043 CONTROL LEVER (TRAVEL)

044 TRAVEL PEDAL (R)<300,LC><330LC><350H,LCH><

045 TRAVEL PEDAL (R)<350K,LCK>

046 TRAVEL PEDAL (L)

047 PILOT VALVE (TRAVEL)

048 TRAVEL LEVER DAMPER

049 LOCK LEVER

050 CONTROL VALVE

051 CONTROL VALVE SUPPORT

052 SOLENOID VALVE

053 PILOT PIPINGS (1)

054 PILOT PIPINGS (2)

055 PILOT PIPINGS (3)

056 PILOT PIPINGS (4)

057 PILOT PIPINGS (5-1)

058 PILOT PIPINGS (5-2)

059 PILOT PIPINGS (5-3)

060 PILOT PIPINGS (6)

061 PILOT PIPINGS (7)
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG PILOT PIPINGS (8)(JIS LEVER-TYPE)[STD]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/062-pilot-pipings-8-jis-lever-type-std-1-3c169d56-529a-4e5b-a798-9b4fe0ffedf7-375.png)
062 PILOT PIPINGS (8)(JIS LEVER-TYPE)[STD]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG PILOT PIPINGS (8)(JIS LEVER-TYPE)[USA][AUS]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/063-pilot-pipings-8-jis-lever-type-usa-aus-1-792df4f1-3eef-43fc-8a4c-a49a5bfeffb2-375.png)
063 PILOT PIPINGS (8)(JIS LEVER-TYPE)[USA][AUS]

064 PILOT PIPINGS (8)(H LEVER-TYPE)
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG PILOT PIPINGS (9)[STD]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/065-pilot-pipings-9-std-1-4a32a39a-ec73-46a3-8260-692280d736c3-375.png)
065 PILOT PIPINGS (9)[STD]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG PILOT PIPINGS (9)[USA][AUS]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/066-pilot-pipings-9-usa-aus-1-28f92e65-2ccd-4a4f-8748-8d77a87f8e7e-375.png)
066 PILOT PIPINGS (9)[USA][AUS]

067 PILOT PIPINGS (10)

068 PILOT PIPINGS (11)

069 CONSOLE

070 CONSOLE COVER (1)

071 CONSOLE COVER (2)<300,LC><330LC><350H,LCH><370>

072 CONSOLE COVER (2)<350K,LCK>

073 RIGHT COVER

074 MONITOR COVER (LOWER)

075 CONTROLLER

076 MONITOR

077 AM/FM RADIO

078 SPEAKER (ADD.)

079 ENGINE CONTROL UNIT

080 ELECTRIC PARTS (A)

081 ELECTRIC PARTS (B)

082 ELECTRIC PARTS (C)<300,LC><330LC><350H,LCH><350K,LCK>

083 ELECTRIC PARTS (C)(HEADGUARD-INTEGRATED)<370HD>

084 ELECTRIC PARTS (D)

085 ELECTRIC PARTS (E)

086 ELECTRIC PARTS (F)

087 FRONT HEAD LAMP <STD. CAB><SELECT>

088 FRONT HEAD LAMP (HEADGUARD-INTEGRATED)<370HD>

089 REAR HEAD LAMP <SELECT>

090 BOOM LIGHT (R)<SELECT>

091 BOOM LIGHT HARNESS

092 HORN

093 SWING MOTION ALARM <SELECT>

094 TRAVEL MOTION ALARM <SELECT>

095 AIR CONDITIONER (1)

096 AIR CONDITIONER (2)

097 AIR CONDITIONER (2)

098 AIR CONDITIONER (3)

099 HEATER PIPINGS (AIR-CON.)

100 AIR-CON. PARTS

101 COMPRESSOR

102 AIR-CON. UNIT

103 AIR-CON. UNIT

104 AIR-CON. BOX

105 AIR-CON. CONTROLLER

106 CAR HEATER <SELECT>

107 HEATER PIPINGS (HEATER)<SELECT>

108 HEATER PARTS <SELECT>

109 HEATER UNIT <SELECT>

110 HEATER CONTROLLER <SELECT>

111 DUCT (1)

112 DUCT (2)

113 DUCT (3)

114 REAR BOX (AIR-CON.)

115 REAR BOX (HEATER)<SELECT>

116 CAB GROUP <300,LC><330LC><350H,LCH><350K,LCK><370>

117 CAB <300,LC><330LC><350H,LCH><370>
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG CAB [HG-TYPE]<350K,LCK>](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/118-cab-hg-type-350k-lck-1-9f0789c0-3a32-4490-8793-b63b234e3ab7-375.png)
118 CAB [HG-TYPE]<350K,LCK>

119 CAB (1)<300,LC><330LC><350H,LCH><370>
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG CAB (1)[HG-TYPE]<350K,LCK>](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/120-cab-1-hg-type-350k-lck-1-c6bbb16c-6741-45d7-9b65-7bc45264506a-375.png)
120 CAB (1)[HG-TYPE]<350K,LCK>

121 CAB (2)<300,LC><330LC><350H,LCH><370>
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG CAB (2)[HG-TYPE]<350K,LCK>](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/122-cab-2-hg-type-350k-lck-1-76c66b0c-79b8-422b-8c4a-2bbbad73ea5f-375.png)
122 CAB (2)[HG-TYPE]<350K,LCK>

123 CAB (3)<300,LC><330LC><350H,LCH><350K,LCK><370>

124 CAB (4)<300,LC><330LC><350H,LCH><350K,LCK><370>

125 CAB (5)<300,LC><330LC><350H,LCH><350K,LCK><370>

126 CAB (6)<300,LC><330LC><350H,LCH><370>
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG CAB (6)[HG-TYPE]<350K,LCK>](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/127-cab-6-hg-type-350k-lck-1-4afa3c89-a6de-4d41-8e0f-8bde29729dd2-375.png)
127 CAB (6)[HG-TYPE]<350K,LCK>

128 CAB (7)<300,LC><330LC><350H,LCH><350K,LCK><370>
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG CAB (8)[HG-TYPE]<350K,LCK>](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/129-cab-8-hg-type-350k-lck-1-226fa799-8376-4a3c-9409-f27f095afccf-375.png)
129 CAB (8)[HG-TYPE]<350K,LCK>

130 CAB GROUP (HEADGAURD-INTEGRATED)<370HD>

131 CAB PARTS (HEADGUARD-INTEGRATED)<370HD>

132 CAB (HEADGURD-INTEGRATED)<370HD>

133 CAB (1)(HEADGUARD-INTEGRATED)<370HD>

134 CAB (2)(HEADGUARD-INTEGRATED)<370HD>

135 CAB (3)(HEADGUARD-INTEGRATED)<370HD>

136 CAB (4)(HEADGUARD-INTEGRATED)<370HD>

137 CAB (5)(HEADGUARD-INTEGRATED)<370HD>

138 CAB (6)(HEADGUARD-INTEGRATED)<370HD>

139 CAB GUARD <300,LC><330LC><350H,LCH><370>

140 FRONT GUARD (HEADGUARD-INTEGRATED)<370HD>

141 REARVIEW MIRROR (L)<SELECT>

142 POWER WINDOW <SELECT>

143 POWER WINDOW PARTS <SELECT>

144 WINDOW WASHER

145 SUNSHADE <300,LC><330LC><370>

146 SUNVISOR (HEADGUARD-INTEGRATED)<370HD>
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG WINDOW GUARD [USA]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/147-window-guard-usa-1-211e44c0-75ec-4542-976d-7360a6be68c7-375.png)
147 WINDOW GUARD [USA]

148 FLOOR PARTS <300,LC><330LC><350H,LCH><370HD><

149 FLOOR PARTS <350K,LCK>

150 FLOOR PLATE
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT [STD][USA]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/151-seat-std-usa-1-479bd8fa-6025-43ea-9e34-b83ff23b06cd-375.png)
151 SEAT [STD][USA]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT [AUS]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/152-seat-aus-1-e5dcb23d-1fe6-420d-83c1-34ab55cbff9a-375.png)
152 SEAT [AUS]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT STAND [STD]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/153-seat-stand-std-1-2215ecf1-2b51-46c5-b713-a44178315d2b-375.png)
153 SEAT STAND [STD]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT STAND [AUS]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/154-seat-stand-aus-1-59ca0526-aa98-4910-8ca9-4ec854db7645-375.png)
154 SEAT STAND [AUS]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT SUSPENSION [STD]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/155-seat-suspension-std-1-71e9121d-3a8c-476b-aa4f-d8fad5a499de-375.png)
155 SEAT SUSPENSION [STD]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT SUSPENSION [USA]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/156-seat-suspension-usa-1-71cffb54-c69f-4fbb-9735-9ec2a6e65d5e-375.png)
156 SEAT SUSPENSION [USA]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT BELT (SEAT SUSPENSION)[STD][USA]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/157-seat-belt-seat-suspension-std-usa-1-131a05ab-b00f-42c5-be00-83e2e291864f-375.png)
157 SEAT BELT (SEAT SUSPENSION)[STD][USA]
![Hitachi EX300-5 Hitachi EX300-5 HYDRAULIC EXCAVATOR PARTS CATALOG SEAT BELT [AUS]](https://speed-parts.sgp1.digitaloceanspaces.com/images/hitachi/hitachi-ex300-5-hydraulic-excavator-parts-catalog/158-seat-belt-aus-1-2a960109-9ae4-4527-900b-44baf92691e2-375.png)
158 SEAT BELT [AUS]

159 COVER (1)

160 COVER (2)

161 COVER (3)

162 COVER (4)

163 COVER (5)

164 COVER (6)

165 COVER (7)

166 COVER (8)

167 TROPICAL COVER <SELECT>

168 DOOR LOCK

169 WEATHER-STRIP

170 ENGINE COVER

171 TOOL COVER

172 LATCH (DOOR LOCK)

173 UNDER COVER (T=1.6)<300,LC><330LC>

174 UNDER COVER (T=4.5)<350H,LCH><370><370HD>

175 UNDER COVER (T=6.0)<350K,LCK>

176 SIDE WALK <SELECT>

177 LUBRICATOR <SELECT>
02 UNDERCARRIAGE

178 TRACK FRAME <STD. TRACK>

179 TRACK FRAME <LC TRACK>

180 TRACK FRAME <HD TRACK>

181 STEP

182 TRACK GUARD <300,LC><330LC><350K,LCK>

183 TRACK GUARD <350H,LCH>

184 TRACK GUARD <370HD><370>

185 FULL-LENGTH TRACK GUARD <STD. TRACK><SELECT>

186 FULL-LENGTH TRACK GUARD <LC TRACK><SELECT>

187 FULL-LENGTH TRACK GUARD <HD TRACK><SELECT>

188 TRACK UNDER COVER <SELECT>

189 SWING BEARING

190 SWING BEARING SUPPORT

191 GREASE-BATH COVER

192 TRAVEL DEVICE <STD. TRACK><LC TRACK>

193 TRAVEL DEVICE <HD TRACK>

194 TRAVEL DEVICE SUPPORT <STD. TRACK><LC TRACK>

195 TRAVEL DEVICE SUPPORT <HD TRACK>

196 FRONT IDLER <STD. TRACK><LC TRACK>

197 FRONT IDLER (R)<HD TRACK>

198 FRONT IDLER (L)<HD TRACK>

199 ADJUSTER <STD. TRACK><LC TRACK>

200 ADJUSTER <HD TRACK>

201 UPPER ROLLER <STD. TRACK><LC TRACK>

202 UPPER ROLLER <HD TRACK>

203 LOWER ROLLER <STD. TRACK>

204 LOWER ROLLER <LC TRACK>

205 LOWER ROLLER <HD TRACK>

206 LOWER ROLLER SUPPORT <STD. TRACK>

207 LOWER ROLLER SUPPORT <LC TRACK>

208 LOWER ROLLER SUPPORT <HD TRACK>

209 TRACK-LINK <STD. TRACK>

210 TRACK-LINK <LC TRACK>

211 TRACK-LINK <HD TRACK>

212 CENTER JOINT

213 CENTER JOINT SUPPORT (UNDERCARRIAGE)

214 TRAVEL PIPINGS <STD. TRACK>

215 TRAVEL PIPINGS <LC TRACK>

216 TRAVEL PIPINGS <HD TRACK>

217 TRAVEL MOTOR COVER <STD. TRACK><LC TRACK>

218 TRAVEL MOTOR COVER <HD TRACK>
03 FRONT

219 STD. BOOM <300,LC><330LC><370>

220 H BOOM <350H,LCH><370HD>

221 K BOOM <350K,LCK>

222 STD. ARM (3.2M)<300,LC><330LC><370>

223 H ARM (3.2M)<350H,LCH><370HD>

224 K ARM (3.2M)<350K,LCK>

225 SHORT ARM (2.66M)

226 LONG ARM (4.0M)

227 FRONT PIPINGS

228 BOOM CYLINDER (R)

229 BOOM CYLINDER (L)

230 ARM CYLINDER

231 BUCKET CYLINDER

232 LUBRICATE PIPINGS

233 AUTO. LUBRICATE DEVICE <SELECT>

234 AUTO. LUBRICATE PIPINGS (BOOM)<SELECT>

235 AUTO. LUBRICATE PIPINGS (ARM)<SELECT>

236 BUCKET (1.15)<JIS94><SELECT>

237 BUCKET (1.4)<JIS94><SELECT>

238 BUCKET (1.4)<JIS94>(SUPER V TOOTH)<SELECT>

239 BUCKET (1.4)<JIS94>(SUPER V TOOTH, FOR TOOTH PLATE)<SELECT>

240 BUCKET (1.4)<JIS94>(SIDE-PIN TOOTH)<SELECT>

241 K BUCKET (1.4)<JIS94><350K,LCK>

242 BUCKET (1.62)<JIS94><SELECT>

243 BUCKET (1.86)<JIS94><SELECT>

244 ROCK BUCKET (1.15)<JIS94><SELECT>

245 ROCK BUCKET (1.38)<JIS94>(SUPER V TOOTH)<SELECT>

246 ROCK BUCKET (1.38)<JIS94>(SUPER V TOOTH, BOTTOM WEAR PLATE)<SELECT>

247 ROCK BUCKET (1.38)<JIS94>(SIDE-PIN TOOTH)<SELECT>

248 ROCK BUCKET (1.5)<JIS94>(SUPER V TOOTH)<SELECT>

249 ROCK BUCKET (1.5)<JIS94>(SUPER V TOOTH, BOTTOM WEAR PLATE)<SELECT>

250 ROCK BUCKET (1.5)<JIS94>(SIDE-PIN TOOTH)<SELECT>

251 RIPPER BUCKET (0.9)<JIS94><SELECT>

252 ONE-POINT RIPPER <SELECT>

253 HOSE RUPTURE VALVE PIPINGS (BOOM) :1 <SELECT>

254 HOSE RUPTURE VALVE PIPINGS (BOOM) :2 <SELECT>

255 HOSE RUPTURE VALVE PIPINGS (BOOM) :2 <SELECT>
04 BREAKER & CRUSHER ATTACHMENT PARTS

256 CONTROL PEDAL (BREAKER & CRUSHER)

257 PILOT PIPINGS (BREAKER & CRUSHER)

258 MAIN PIPINGS FOR BREAKER & CRUSHER

259 BOOM PIPINGS (BREAKER & CRUSHER)

260 ARM PIPINGS (BREAKER & CRUSHER)

261 PIPINGS FOR NPK BREAKER & CRUSHER

262 PIPINGS FOR OKD BREAKER & CRUSHER

263 PIPINGS FOR NPK BREAKER & CRUSHER

264 PIPINGS FOR OKD BREAKER & CRUSHER

265 HIGH-PRESSURE PIPINGS (FLOW RATE SELECTOR)

266 PILOT PIPINGS (FLOW RATE SELECTOR)

267 ELECTRIC PARTS (FLOW RATE SELECTOR)