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Excavators

Components for Construction Equipment

Key hydraulic components of construction equipment manufactured by NEXTURN&ROLLKOREA Co., Ltd., such as TURNING JOINT ASS’Y and STEERING AXLE ASS’Y, are supplied to major domestic heavy equipment manufacturers. We are committed to providing the best service to our customers by ensuring optimal delivery times and flawless product quality.

Turning Joint Ass'y

Product Description

A device designed to supply hydraulic pressure even during the excavator's continuous rotation. We manufacture models for all types of Wheel and Crawler excavators, ranging from 1.6-ton to 120-ton classes. (Oil cleanliness managed to NAS class 7)

Product Features

  • Reduced friction loss due to low starting torque

  • Minimized installation space through quantified compact design

  • Excellent durability under all operating conditions

Product Details

Crawler Type

  • 1.6ton

  • 5ton

  • 14ton

  • 25ton

  • 52ton

  • 80~120ton

Wheel Type

  • 5ton

  • 7ton Slip ring type

  • 14ton

  • 21ton

Slipper Seal

Operating Principle of Slipper Seal

Specification Table

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Model Type Port (ea) Rated pressure Flow rate ount dimension Assembly size
Hub Shaft
1.6 Ton Mini
crawler
excavator		 12 10 210 kg/c㎡ 40 ℓ/min 230*40*D11 D90*255*65*H270.5
2.5 Ton 10 8 210 kg/c㎡ 50 ℓ/min 160*44*D12 D80*180*64*H276
3.5 Ton 10 8 250 kg/c㎡ 38 ℓ/min 325*84*D12 D95*350*120*H289.4
4.2 ~ 4.8 Ton Small
crawler
excavator		 9 9 250 kg/c㎡ 49 ℓ/min 300*40*D13 D115*330*70*H320
5 ~ 6 Ton 8 8 220 kg/c㎡ 49 ℓ/min D80*M12 D114*150*146*H359.8
8.5 Ton 9 9 280 kg/c㎡ 74 ℓ/min 330*40*D14 D115*360*110*H407
11 ~ 18 Ton Medium
crawler
excavator		 8 8 350 kg/c㎡ 200 ℓ/min D250*M12 D155*D280*H511.1
14 ~ 18 Ton 6 6 350 kg/c㎡ 200 ℓ/min D250*M12 D114*D280*H472.8
20 ~ 23.5 Ton 8 8 350 kg/c㎡ 350 ℓ/min D250*M12 D155*D280*H511.1
21 ~ 38 Ton 6 6 350 kg/c㎡ 222 ℓ/min D250*M12 D114*D280*H472.8
48 ~ 52 Ton Large
crawler
excavator		 7 7 325 kg/c㎡ 320 ℓ/min 140*140*D18 D155*180*180*H442.5
80 ~ 120 Ton 6 6 350 kg/c㎡ 500 ℓ/min 165*165*M16 D180*205*205*H515.2
5 ~ 6 Ton Wheel
excavator		 14 14 220 kg/c㎡ 110 ℓ/min 140*140*M16 D150*180*180*H533
14 Ton 16 16 350 kg/c㎡ 160 ℓ/min 157*157*D13 D250*187*187*H767
21 Ton 18 18 350 kg/c㎡ 225 ℓ/min 170*170*M12 D190*200*200*H777