Workshop Services
"Advanced facilities delivering world-class overhaul, reconditioning, and testing."
Aux. Engine Pit-Stop Service Package
Competitive Cost | Reliable Service | Minimal Downtime
Junma’s AE Pit-Stop Service is designed to keep your auxiliary engines running at peak performance with minimal downtime.
Genuine MAN 4-Stroke Components
– including crankshafts & engine blocks, always in stock.
Rapid Deployment
– 7 Singapore engineers + 6 fitters (with Seaman Book) ready to mobilize.
Expert Riding Crew
– highly trained to shorten service time without compromising quality.
Transparent Process
– daily reporting ensures clear schedules and zero hidden delays.
Proven Efficiency
Top OH 6DK28E: 3–4 Days @ Singapore Anchorage (with load test).
Top OH 6L23/30H (3 sets): 7 Days @ Vietnam Anchorage.
Service Covers
16/24, 21/31, 23/30, 27/38, 28/32, 32/40 and many other brands
HPS Pump Recondition
Extend the life of your Hydraulic Power Supply (HPS) Pumps while cutting costs.
Instead of purchasing new units, Junma offers a comprehensive overhaul solution to restore your pump to its original design and performance.
Disassembly & Collection
– Worn pumps collected directly from vessel
Cleaning & Overhaul
– Same-day service at our fully equipped workshops
Inspection & Testing
– Full report, documentation, and return as spare
Why Junma
Experienced engineers ensuring quality & reliability
Time-saving turnaround (within 1–2 days)
Cost-effective alternative to new pump purchase
DNV-certified processes for guaranteed standards
Service Available
Singapore & China workshops.
Service Covers
Rexroth , Daynax, Eaton and other deck machinery hydraulic pumps
FIVA Recondition
Keep your main engine at peak reliability while lowering maintenance costs.
Our FIVA Overhaul solutions cover a full range of models, including MBD FIVA, Nabtesco FIVA, and Bosch Rexroth FIVA.
On-board Services
– fast turnaround with minimal downtime
Workshop Overhaul & Testing
– complete servicing with calibration
Exchange Programs
– Fast turnaround, lower costs, guaranteed quality, and reliable operations
Services Covers
MBD FIVA, ELFI, ELVA, Nabatesco FIVA, ELFI, ELVA, BR FIVA
Cylinder Liner In-Situ Honing and Wavecutting
What we offer:
Honing:
Restore roundness and smoothness of cylinder liners without full disassembly.
Reaches the circular shape of the liner
Reduces surface roughness and bearing wear
Improves oil retention and sealing
Extends engine life and performance
Quick, in-situ process with minimal disassembly
Wavecut:
Create an ideal surface profile for better sealing and lubrication.
Improves cylinder liner life and reliability
Enhances fuel efficiency and power delivery
Reduces piston and ring wear
Restores optimum friction characteristics
Compatible with various liner materials and engines
Services Covers
50-98 Bore 2-Stroke Engine Liners
Engine Components Recondition
Cylinder heads
Exhaust valve assembly
Piston crown
Piston rod
Fuel valve
Con-Rod
Crankshaft
and more...
TC OH
TCA/NA/TCR/NR
ABB
MET
and more......
Governor Exchange Program
Mechnical Governor including TG,PG, PGA
PGG, PG-PL
UG-8, UG-25
and more......
Let us help your challenges
+65 81387755 / 90606367
