Komatsu PC40 Excavator Sprockets, Mini Drive Sprockets, Drive Roller Chain Roller for Crawler Excavator

From the beginning of assembling individual parts to presenting a truly complete product, we are committed to creating Track Link For PC40-7, Track Link DH280 DH300, Sprocket Rim E390 that is generous and durable. We have our own sales team, design team, technical team, QC team and package team. We are willing to cooperate sincerely with customers from all over the world and regions to create a better future with a complete quality assurance system and strict and orderly modern management.

Production description

Mini track roller also called mini bottom roller and mini lower roller is used to support the weight of crawler excavators and roll on the track link. It is also used to keep track link to prevent it from lateral slippage. When the excavator steers, track roller force the track assy to skip on the ground.

Structure:

Sizes

Advantages

Bimetal bushing

Bimetal bushing of our mini lower roller is based on steel plate which special alloy is sintered on it. It shows high loading ability and high ability of fatigue resistance.

Floating seal group

Floating seal group of our mini rollers has super seal performance under bad working conditions like being muddy or steamy etc.. it is applicable for the condition of low speed and heavy load. And it is anti-friction and can be auto-compensated after wearing.

Lubrication oil

Lubrication oil of our mini lower roller is selected carefully. It can lubricate shaft and bushing well to lower the wearing utmostly. And it can cool the roller perfectly. Those maximize the inner structure life.

KOMATSU	PC05/PC07	PC12R/PC15R	PC10-7	PC20/30	PC20/30(Rubber   Tracks）
	PC50MR-2	PC56	PC75-3	PC75UU/PC78	PC60-6（Rubber Tracks）
	PC60-6	PC60-7 MF/IF	PC60-5	PC200-7	PC220/240-7(Large）
	PC300-8	PC400-3/5	PC400-6	PC400-7	PC650-5
	PC20R-8	PC30MR-1	PC40/45	PC40MR
	PC100-/3/5	PC120-3	PC200-5	PC200-3
	PC300-3	PC300-5	PC300-6	PC300-7
	PC1000-1
HITACHI	EX08	EX12/15	EX30-1	EX30-2	EX55/ZX55/ZAX60
	EX60-2/3	EX300-5/EX350	EX70/75	EX90-1	ZAX330-3(electronic injection)
	EX220-/1	EX270-1/EX300-1	EX400-1	EX400-3/5	EX100M-1/EX150-1
	EX40-1	EX40-2	EX50	EX60-1
	EX100-2/5	EX200-1	EX200-2	EX200-5
	EX100-1	EX60-5	VOLVO360
HYUNDAI	R55-7	R60-5	R60-7	R130	R250/R290/R320
	R225-7	R290LC-7	R360LC-7	R450
	R200/R200L	R80	R200-3	R210LC-7
CATERPILLAR	E303	E120B/E110/E120	E312	E55/E305.5	E70B/（Bilateral）
	E240	E300B	E300	E322	E325
	E200B/E320	E200B	E323	E324
	E330	E450
KOBELCO	SK020SR	SK024/SK025	SK035SR	SK045SR	SK330-6.8
	SK100/120	SK060/SK75	SK120-W	SK07-1	SK400-3/SK450/SK460
	SK200-/3/5	SK045(10tons）	SK200-6	SK200-8	ZAX330-3(electronic injection)
	SK260/SK250-8
	SK030	SK042-1	SK042-2	SK045
	SK07-2	SK07N2	SK300	SK300-5
	SK220-3	SK220-5	SK310	SK320
SUMITOMO	SH30	SH55/SH65	SH60(D)	SH60(S)	SH100/SH120(S)
	SH220(D)	SH300-1(S)	SH300-1(D)		SH100/SH120(D)
	SH350	SH280	SH340(S)	SH340(D)	SH430(S)
	LS2800FJ2	LS3400FJ2	LS5800FJ2
	SH120-A3	SH200(S)	SH200(D)	SH220(S)
	SH300-3(S)	SH300-3(D)	SH300-2(S)	SH300-2(D)
	SH430(D)	SH580(S)	SH580(D)	LS2600FJ2
DAEWOO	DH55	DH60	DH80	DH150	DH180/200/220
	DH450	DH360/370/400/420
	DH280-3	DH258	DH300
KATO	HD140	HD250	HD308	HD400-1	HD400-2
	HD820	HD1250	HD1250-7	HD1430	HD1880
	HD770	HD450	HD550	HD700/770
	HE280
YUCHAI	YC18	YC35	YC60	YC85	YC135
KUBOTA	U15-3	U30-2	U40-2	U50	U85
YANMAR	VIO30-2	VIO40-2/B50	VIO50/55	K030	H45
MITSUBISHI	MS110-5	MS110-5	MS230
VOLVO	EC55	EC210	EC290	EC360	EC460
IHISCE	IHI30	IS35	IHI45J	IHI50J	MM45T
	龙工60	SWE50	SWE70
	SY55	SY215(375)	SY215(370)	LG922
FIAT	FH150	FH200-3	FH220-3	FH300	FH330
SAMSUNG	SE130	SE210-3
CRANE	HD408	SD08	2100	601 LS120	LS108
	LS108	SMTL	7055	GLT240	IHI400
	KH125	KH125310	KH180-1	KH180-3
	KH150	ED4000	GLT118	EDSC6
	IHI200	IHI500	KH100D	KH100-3
KOMATSU/CAT/Bulldozers Series
BD2G S/F	BD2G D/F	D20 S/F	D20 D/F	D31 D/F-15/16	D31 S/F-17/18/20
D4 S/F	D4 D/F	D4D S/F	D4D D/F	D50 S/F	D50 D/F
D60 S/F	D60 D/F	D6H S/F	D6H D/F	D7 S/F	D7 D/F
D85-18 S/F	D85-18 D/F	D155-1 S/F	D155-1 D/F	D155-5 S/F	D155-5 D/F
D60/D65-8 S/F	D60/D65-8 D/F	D275A-5 S/F	D275A-5 D/F
D3C S/F	D3C D/F	D41A-6 S/F	D41A-6 D/F
D5 D/F	D5 S/F	D6D S/F	D6D D/F
D7G S/F	D7G D/F	D80-12 S/F	D80-12 D/F
D355 S/F	D355 D/F	D65EX-12 S/F	D65EX-12 D/F

FAQ

1. What is MOQ for the order?

Generally speaking, the MOQ is a full container load of 20 feet container. Under this condition, the single cost can be lowered. if customers ask for less full container load. It is also acceptable.

2. If we don't find what we want on your website, what should we do?
You can email us the descriptions and pictures of the products you need,we will check whether we have them. We develop new items every month, and some of them have not been uploaded to website in time. Or you can send us sample by express,we will develop this item for bulk purchasing.

3. What is the percent of your parts for overseas market?

70percent of our parts are for overseas market.

4. Is there any guarantee of your parts?

There are 6 months guarantee time for excacavar parts under normal working conditions and 3months guaranteet tiem for bulldozer parts under normal working conditions.

Our company has been committed to the research and development, production and sales of Komatsu PC40 Excavator Sprockets, Mini Drive Sprockets, Drive Roller Chain Roller for Crawler Excavator, products are widely used in various fields. Your comments and suggestions are highly appreciated. We regard after-sales service as a career and provide all-round guarantee in four aspects of integrity, quality, focus and safety.

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