Maintainer Introduces Upgraded Signature 4 Lube Body
SHELDON, IA - Maintainer Corporation of Iowa, Inc. introduces the newly upgraded Signature 4 fuel / lube service unit. This product serves as an in-field fueling and preventive maintenance (PM) lubrication unit and has now been upgraded with additional fuel and oil capacity.

Signature 4 Lube Body from Maintainer
SHELDON, IA - Maintainer Corporation of Iowa, Inc. introduces the newly upgraded Signature 4 fuel / lube service unit. This product serves as an in-field fueling and preventive maintenance (PM) lubrication unit and has now been upgraded with additional fuel and oil capacity.
Features and options include:
13' Lube bed with 1,495 total gallons of fuel / lube product carrying capacity.
Tanks constructed with combination of steel and plastic to maximize product capacity.
Enclosed rear reel compartment / above & under body storage compartments.
12 gauge A60 grade Galvanneal steel compartments.
One piece 3/16" aluminum doors / heavy duty stainless steel hinges.
Three point D ring door latches with gas spring door holders.
Variable displacement piston pump w/ 8-gallon reservoir and high eff. Cooler.
Hydraulic air compressor / 25 CFM @ 100 PSI w/ max. 150 PSI.
Lube products: diesel, 4-oil types, anti-freeze, evacuation & grease.
Product dispensing systems are hydraulically operated except for air-grease kit.
Push button, back-lit, switch panel w/ self-resetting circuit breakers.
Used filter bin tied into evac system.
Adjustable cam-lock rear bi-fold reel compartment doors / aluminum roll-up door optional.
DuraBed coating.
LED I.C.C. lighting and interior lights.
Minimum chassis GVWR rating of 32,000 lbs.
Product dispensing filters and meters optional.
EZ Latch Aluma Drawer sets optional.
In-Field Filtration System / in-line Particle Counter / computer interface module optional.
Check out the updated Signature 4 Lube Body from Maintainer at www.maintainer.com.
More Maintenance & Uptime

Kooner and Global Partners Connect Mobile Fleet Maintenance and Fueling Services
A new referral partnership connects on-site fueling and maintenance services, with a focus on reducing off-site trips and making better use of fleet downtime.
Read More →
Maintenance Failures That Sideline Work Trucks and the Inspection List That Catches Them Early
Unplanned downtime hurts efficiency and even profitability for work truck fleets, but catching potential problems early can help prevent it. Here is an inspection list that can help potentially prevent that downtime.
Read More →
Hunter Engineering Enters Collaborates with Bosch for Remote Diagnostics Service Through ADASLink
Hunter Engineering’s collaboration with Bosch enables ADASLink to connect directly with Bosch diagnostic experts through an integrated remote support platform, allowing shops to service more vehicles.
Read More →From Our Partners
How JASPER Keeps Fleets Moving and Profitable
Sponsored by Jasper Engines & Transmissions

Basic Tracking vs Next Generation Fleet Technology
Sponsored by AT&T Business

5 Facts Every Fleet Manager Should Know About Embedded Telematics
Sponsored by Stellantis/Mobilisights

How AI Video Telematics Boosts Driver Safety and Helps to Avoid Unnecessary Costs
Sponsored by Verizon Connect

Charting the 8 Bottom-Line Benefits of Workforce Optimization
Sponsored by Verizon Connect


Mack Adds Chassis Coverage Options for Fleet Repair Costs
Mack Trucks introduced four system-specific chassis coverage plans, giving fleets more flexibility to manage repair costs for driveline, HVAC, electronics, safety systems, and other components.
Read More →
GM Launches ‘30 Under 30’ Program to Elevate Automotive Service Technicians and Inspire the Next Generation
The GM Automotive Service Technicians 30 Under 30 program honors GM service technicians under the age of 30 who demonstrate continuous technical training, exemplary customer service, mentorship, and leadership.
Read More →
Kooner Fleet Management Solutions Named Exclusive On-Site Fleet Maintenance Provider for Safe Truck Parking
A strategic partnership between Kooner Fleet Management Solutions and Safe Truck Parking brings mobile maintenance and 24/7 repair services directly to Safe Truck Parking locations, beginning in San Diego, California, with nationwide expansion planned.
Read More →
Building a Better Vehicle Replacement Model
Meter readings still matter, but engine hours, idle time, maintenance trends, and utilization can help fleets spot costly vehicles before the odometer does.
Read More →
How JASPER Keeps Fleets Moving and Profitable
Every business decision within fleet management ultimately comes down to financial performance. Investing in dependable replacement powertrain components and responsive support can measurably impact the bottom line.
Read More →
Ryder Honors 2026 Top Technician at 25th Anniversary Skills Competition
Hosted in Nashville, Ryder’s 25th annual Top Technician Skills Competition honored the best technicians across the U.S. and Canada. Top Tech celebrates technician expertise while promoting growth, recognition, and camaraderie. Here are the winners.
Read More →
Jasper Offers GM 6.6L Duramax L5P/L5D Complete Format Diesel Engines
Jasper Engines & Transmissions now offers the remanufactured GM Duramax 6.6L L5P/L5D as a complete format engine for several General Motors and International 2017-2023 HD pickup trucks.
Read More →
