ROTARY RJ7100YMKIT 7K Rolling Jacks Pair w/ Stack Adapters & Rubber Blocks
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Rotary RJ7100YMKIT - Pair of 7,000 lb Air-Operated Rolling Jacks with Stack Adapters
The RJ7100YMKIT delivers professional-grade rolling jack capacity in an air-operated pair kit engineered for wheels-free brake, suspension, and tire service. Featuring full-rise latch lock restraint, urethane compression wheels, and a complete set of stack adapters and rubber blocks, this kit enables fast, secure setup on four-post lift runways.
Key Features & Benefits
Air-Operated Scissor-Style Design
The RJ7100YMKIT uses air-operated lifting mechanics that deliver smooth, controlled vertical movement without manual hand-pumping. The scissor-style frame design distributes load evenly across the jack base, providing stable support during service operations.
This design addresses the industry-wide challenge of manual jacks requiring excessive operator effort and creating consistency issues across multiple lifts. Air-operated systems enable faster setup transitions between service bays and eliminate fatigue from repetitive hand-pumping.
This improves workflow efficiency in high-volume service environments by reducing cycle time between vehicle lifts and enabling technicians to focus on brake, suspension, and tire work rather than equipment operation.
Full-Rise Latch Lock Restraint System
The full-rise latch lock mechanism automatically secures the jack at any height across its complete operating range. The latch engages without manual activation, providing automatic safety lock regardless of load position or operational scenario.
Traditional rolling jacks rely on manual lock activation that operators can forget or skip during time-pressured service operations. The automatic latch system addresses this critical safety challenge by eliminating the manual engagement step entirely.
This enables safer service operations by ensuring the jack remains locked during wheel removal, component installation, and brake work—eliminating accidental lowering risks. The automatic engagement requires no operator training adjustments and works consistently across all technicians.
Complete Stack Adapter & Rubber Block Inventory
The RJ7100YMKIT includes 3″ and 5″ stack adapters plus 1 1/2″ and 3″ rubber blocks for flexible height adjustment and contact surface customization. This multi-adapter system accommodates different control arm heights, brake components, and suspension pickup points across various vehicle platforms.
Single-jack purchases often force technicians to buy adapters separately or improvise with generic aftermarket blocks that may not provide secure seating. The kit includes verified configurations for common service applications, eliminating compatibility guessing and reducing setup time.
This enables faster setup across multiple vehicle types by providing the correct adapter combination for each suspension geometry. Technicians can match exact ride height requirements without equipment substitution or trial-and-error adjustments.
Urethane Compression Wheels for Smooth Positioning
The rolling mechanism uses urethane compression wheels that provide smooth, controlled movement across shop floors without floor marking or vibration. The wheel design creates dampening action that prevents abrupt stops and reduces operator strain during positioning.
Standard rubber wheels can mark epoxy floors and roll unpredictably under load, creating positioning inconsistency and facility damage. Urethane wheels address this operational challenge by combining durability with smooth floor compatibility.
This improves shop aesthetics and positioning precision while enabling rapid repositioning between vehicles. The smooth roll action reduces setup time and enables single-technician operation without assistance for positioning tasks.
Four-Post Lift Runway Compatibility
The RJ7100YMKIT is specifically engineered for four-post lift runways with widths between 36 3/4″ and 46 1/16″. The adapter mounting system maintains load centering within this range, ensuring stable positioning across different lift configurations.
Mismatched rolling jack widths create off-center loading that compromises safety and accelerates tire wear on lift guide pins. Universal jacks often claim broader compatibility but fail to maintain proper load distribution across the full range. The RJ7100 series is purpose-designed for this specific runway span.
This ensures proper load distribution and eliminates compatibility concerns when installing on four-post lifts. Technicians can confidently deploy these jacks across their facility's standard lift equipment without adapter concerns.
Pair Kit Configuration for Synchronized Operations
The RJ7100YMKIT ships as a matched pair with identical hydraulic response and load characteristics. Both jacks deliver the same lift speed and holding pressure, enabling synchronized lifting of suspended components without tilting or uneven height.
Mixing jacks from different manufacturers or vintage units creates response timing variations that cause control arm or suspension component binding during service work. A factory-matched pair eliminates these compatibility variables entirely.
This enables safer simultaneous lifting of both control arms or suspension components, reducing installation time for brake and suspension service. The matched pair configuration prevents binding and enables technicians to work on symmetrical components with confidence in even load distribution.
Technical Specifications
| Specification | Value |
|---|---|
| Maximum Capacity Per Jack | 7,000 lb (3,175 kg) |
| Quantity Included | 2 (pair kit) |
| Total Capacity (Both Jacks) | 14,000 lb (6,350 kg) |
| Operation Type | Air-operated scissor-style |
| Specification | Value |
|---|---|
| Runway Width Compatibility | 36 3/4″–46 1/16″ (933–1,170 mm) |
| Lifting Type | Wheels-free (brake, suspension, tire service) |
| Lock Mechanism | Full-rise latch lock (automatic engagement) |
| Wheel Type | Urethane compression (floor-safe) |
| Component | Specification |
|---|---|
| Stack Adapters (3″) | Included with 1 1/4″ pin |
| Stack Adapters (5″) | Included with 1 1/4″ pin |
| Rubber Blocks (1 1/2″) | Included |
| Rubber Blocks (3″) | Included |
Shipping & Delivery
Freight Coverage
Shipping: Free freight shipping to the 48 contiguous United States. Surcharges apply for Alaska, Hawaii, and rural delivery areas.
Delivery Type: Freight shipping with curbside delivery. Inside delivery and assembly available upon request.
Delivery Requirements
Equipment Required: Forklift or pallet jack minimum 5,000 lb capacity for receiving and positioning.
Receiving Instructions: Inspect all packages before signing bill of lading. Note any visible damage on BOL before driver departs.
Damage Reporting & Concealed Loss Coverage
Within 15 days: 100% coverage for replacement parts and freight costs.
Within 30 days: 50% coverage for replacement parts and freight costs (shared cost).
After 30 days: No coverage (customer responsible for parts and freight costs).
Ready to Upgrade Your Service Bay?
Get expert guidance on rolling jack selection and four-post lift compatibility. Our team can help verify runway specifications and confirm included accessories for your facility.
Frequently Asked Questions
Is the 7,000 lb capacity per jack or total for both jacks?
The 7,000 lb capacity is per jack. The RJ7100YMKIT includes two jacks, providing 14,000 lb combined capacity when used together. This distinction is important for suspension load calculations and ensures you have adequate capacity for dual-jack lifting operations.
What is included in the RJ7100YMKIT pair kit?
The kit includes two 7,000 lb rolling jacks, 3 inch and 5 inch stack adapters with 1 1/4 inch pins, and 1 1/2 inch and 3 inch rubber blocks. All components are factory-matched for synchronized operation and provide complete setup inventory for four-post lift applications without additional accessory purchases.
What is the runway width compatibility for the RJ7100YMKIT?
These rolling jacks are compatible with four-post lift runways between 36 3/4 inches and 46 1/16 inches wide. Verify your lift runway width before purchase to confirm compatibility. The adapter mounting system maintains load centering within this range for stable positioning across different lift configurations.
Can these rolling jacks be used independently or must they be used as a pair?
The jacks are factory-matched for synchronized operation when used together. They can be used independently for single-jack service applications, though the matched pair configuration provides the best performance for dual-jack suspension lifting. Using both jacks together ensures even load distribution and prevents binding during synchronized lifting operations.
What service operations are these rolling jacks designed for?
The RJ7100YMKIT is designed for wheels-free service operations including brake work, suspension component removal and installation, and tire service. The jacks provide controlled positioning for both upper and lower suspension control arms, enabling safe access to brake components and suspension pickup points without wheels on the ground.
How does the full-rise latch lock work and when does it engage?
The full-rise latch lock automatically engages at any height across the jack's complete lifting range. The mechanism requires no manual activation—it secures the jack automatically without operator intervention, eliminating the risk of forgotten manual lock procedures. This automatic safety feature works consistently across all technicians and lifting scenarios.
Are the stack adapters and rubber blocks removable for different applications?
Yes, the stack adapters and rubber blocks are removable and customizable. The 1 1/4 inch pin design allows quick swapping between adapter heights to accommodate different vehicle ride heights and suspension geometry requirements. This flexibility enables single-jack pairs to handle multiple vehicle platforms without additional equipment purchases.
How long does freight delivery typically take and what areas are covered?
Delivery timeframe varies based on inventory availability and destination. Free shipping applies to the 48 contiguous United States. Surcharges apply to Alaska, Hawaii, and rural areas. Contact sales for specific delivery estimates. The standard freight delivery includes curbside unloading; inside delivery and assembly are available upon request.
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